Araña, Heart of the Spider
From Marvel's Spider-Man set
Araña, Heart of the Spider
Legendary Creature — Spider Human Hero
3/3
Whenever you attack, put a +1/+1 counter on target attacking creature.
Whenever a modified creature you control deals combat damage to a player, exile the top card of your library. You may play that card this turn. (Equipment, Auras you control, and counters are modifications.)