Spellbinder 
Artifact — Equipment
$6.27 #15466 0.19 22.7 years
Imprint — When this Equipment enters, you may exile an instant card from your hand.
Whenever equipped creature deals combat damage to a player, you may copy the exiled card. If you do, you may cast the copy without paying its mana cost.
Equip 
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Cards similar to Spellbinder expected a card that isn't here?
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Elite Arcanist96%
$0.31↓#175960.31↑13.3 years↓
"When this creature enters, you may exile an instant card from your hand."
+1 more matching line
Isochron Scepter89%
$8.50↑#760↑1.32↑23.0 years
"When this artifact enters, you may exile an instant card with mana value 2 or less from your hand."
+1 more matching line
Panoptic Mirror84%
$26.59↑#9895↑1.14↑22.7 years
"At the beginning of your upkeep, you may copy a card exiled with this artifact. If you do, you may cast the copy without paying its mana cost."
+1 more matching line
Drach'Nyen75%
$0.39↓#133880.45↑4.0 years↓
"Equip 
"
"
Strata Scythe72%
$0.62↓#8661↑0.07↓16.1 years↓
"Equip "
"
Evercoat Ursine71%
$0.43↓#5065↑0.43↑2.2 years↓
"Whenever this creature deals combat damage to a player, if there are cards exiled with it, you may play one of them without paying its mana cost."
Summoner's Egg70%
$3.87↓#158600.58↑22.4 years
"When this creature enters, you may exile a card from your hand face down."
Living Lore70%
$0.13↓#23939↓0.2411.6 years↓
"Whenever this creature deals combat damage, you may sacrifice it. If you do, you may cast the exiled card without paying its mana cost."
+1 more matching line
Arcane Savant70%
$0.16↓#30710↓0.1110.1 years↓
"Before you shuffle your deck to start the game, you may reveal this card from your deck and exile an instant or sorcery card you drafted that isn't in your deck."
+1 more matching line