Redtooth Vanguard {1}{G}
Creature — Elf Warrior
Trample
Whenever an enchantment you control enters, you may pay {2}. If you do, return this card from your graveyard to your hand.
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Cards that do something similar expected a card that isn't here?
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Fear of Infinity 87%
$0.23#12114
"Whenever an enchantment you control enters and whenever you fully unlock a Room, you may return this card from your graveyard to your hand."