Horobi's Whisper 
Instant — Arcane
$0.12 #22055 0.00 21.6 years
If you control a Swamp, destroy target nonblack creature.
Splice onto Arcane—Exile four cards from your graveyard. (As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell.)
Click a line or tag to filter
Cards similar to Horobi's Whisper expected a card that isn't here?
Reports become test cases the matcher is graded against before an update ships. Delvefall isn't a chatbot guessing, it compares the printed rules text of every card with plain math, and examples like yours decide which differences should count.
Strange Inversion88%
$0.24↑#26778↓0.24↑21.9 years
"Splice onto Arcane 
As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell."
As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell."
Lifted by Clouds84%
$0.11↓#253440.0021.9 years
"Splice onto Arcane 
As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell."
As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell."
Consuming Vortex84%
$0.12#205650.0921.9 years
"Splice onto Arcane 
As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell."
As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell."
Spiritual Visit83%
$0.11↓#209600.19↑21.3 years
"Splice onto Arcane 
As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell."
As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell."
Wear Away82%
$0.17↑#177700.0021.9 years
"Splice onto Arcane 
As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell."
As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell."
Glacial Ray82%
$0.10↓#211340.20↑22.7 years↑
"Splice onto Arcane As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell."
As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell."
Vital Surge82%
$0.13↑#250200.40↑21.6 years
"Splice onto Arcane As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell."
As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell."
Candles' Glow81%
$0.22↑#26633↓0.31↑21.9 years
"Splice onto Arcane As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell."
As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell."
Dampen Thought80%
$0.14↑#223890.13↑21.9 years
"Splice onto Arcane As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell."
As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell."
Into the Fray80%
$0.29↑#242600.0621.3 years
"Splice onto Arcane As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell."
As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell."
Kodama's Might79%
$0.18↑#209470.29↑21.9 years
"Splice onto Arcane As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell."
As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell."
Overblaze79%
$0.40↑#16003↑0.33↑21.6 years
"Splice onto Arcane 
As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell."
As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell."
Soulless Revival78%
$0.22↑#198090.27↑21.9 years
"Splice onto Arcane As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell."
As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell."
Desperate Ritual76%
$6.59↑#962↑0.35↑21.9 years
"Splice onto Arcane As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell."
As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell."
Torrent of Stone76%
$0.07↓#28018↓0.12↑21.6 years
"Splice onto Arcane—Sacrifice two Mountains. As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell."
Reweave76%
$0.56↑#17090↑0.53↑21.9 years
"Splice onto Arcane As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell."
As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell."
Hideous Laughter76%
$0.20↑#252020.30↑21.9 years
"Splice onto Arcane As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell."
As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell."
Through the Breach76%
$0.43↑#176890.78↑21.9 years
"Splice onto Arcane As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell."
As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell."
Ghostly Visit74%
$2.24↑#30262↓0.67↑27.3 years↑
"Destroy target nonblack creature."
Hand of Death74%
$0.12#27057↓0.0029.3 years↑
"Destroy target nonblack creature."