Syphon Essence 
Instant
$0.08 #21900 0.50 4.9 years
Counter target creature or planeswalker spell. Create a Blood token. (It's an artifact with "
, 
, Discard a card, Sacrifice this token: Draw a card.")
, , Discard a card, Sacrifice this token: Draw a card.")Click a line or tag to filter
Cards similar to Syphon Essence 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.
Bar the Gate87%
$0.25↑#10093↑0.505.2 years
"Counter target creature or planeswalker spell. Venture into the dungeon."
Launch Mishap78%
$0.28↑#13721↑0.18↓3.9 years↓
"Counter target creature or planeswalker spell. Create a 1/1 colorless Thopter artifact creature token with flying."
No Escape75%
$0.17↑#16913↑0.05↓7.5 years↑
"Counter target creature or planeswalker spell. If that spell is countered this way, exile it instead of putting it into its owner's graveyard."
Grisly Ritual73%
$0.15↑#204690.00↓4.9 years
"Destroy target creature or planeswalker. Create two Blood tokens."
Trap Essence73%
$0.24↑#16151↑0.35↓12.1 years↑
"Counter target creature spell. Put two +1/+1 counters on up to one target creature."
Essence Scatter72%
$0.07↓#2634↑0.23↓17.3 years↑
"Counter target creature spell."
Preemptive Strike72%
$6.27↑#28976↓0.31↓27.5 years↑
"Counter target creature spell."
False Summoning72%
$0.22↑#248560.06↓28.3 years↑
"Counter target creature spell."
Deny Entry70%
$0.24↑#16902↑0.17↓0.9 years↓
"Counter target creature spell. Draw a card, then discard a card."
Reject70%
$0.17↑#185080.18↓5.5 years
"Counter target creature or planeswalker spell unless its controller pays 
. If that spell is countered this way, exile it instead of putting it into its owner's graveyard."
. If that spell is countered this way, exile it instead of putting it into its owner's graveyard."
Exclude70%
$0.15↑#9464↑0.06↓26.0 years↑
"Counter target creature spell."
Bone to Ash70%
$0.05↓#14027↑0.16↓14.7 years↑
"Counter target creature spell."