Araña, Heart of the Spider {1}{R}{W}
Legendary Creature — Spider Human Hero
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.)
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Ranger Class 100%
$0.43#7487
"Whenever you attack, put a +1/+1 counter on target attacking creature."
+1 more matching line
Leader's Talent 100%
$0.71#10906
"Whenever you attack, put a +1/+1 counter on target attacking creature."
Surgical Suite // Hospital Room 100%
$0.23#8463
"Whenever you attack, put a +1/+1 counter on target attacking creature."
Rogue Class 87%
$1.58#5453
"Whenever a creature you control deals combat damage to a player, exile the top card of that player's library face down. You may look at it for as long as it remains exiled."
Grotag Night-Runner 86%
$0.12#20485
"Whenever this creature deals combat damage to a player, exile the top card of your library. You may play that card this turn."
Prophetic Flamespeaker 86%
$0.44#17038
"Whenever this creature deals combat damage to a player, exile the top card of your library. You may play it this turn."
Stromkirk Occultist 85%
$0.17#9669
"Whenever this creature deals combat damage to a player, exile the top card of your library. Until end of turn, you may play that card."
Lightning, Security Sergeant 84%
$0.43#10387
"Whenever this card deals combat damage to a player, exile the top card of your library. You may play that card for as long as you control this card."
Reno and Rude 82%
$0.23#12801
"Whenever this card deals combat damage to a player, exile the top card of that player's library. Then you may sacrifice another creature or artifact. If you do, you may play the exiled card this turn, and mana of any type can be spent to cast it."
Nashi, Moon Sage's Scion 81%
$3.75#1949
"Whenever this card deals combat damage to a player, exile the top card of each player's library. Until end of turn, you may play one of those cards. If you cast a spell this way, pay life equal to its mana value rather than paying its mana cost."
Kami of Celebration 80%
$1.00#6590
"Whenever a modified creature you control attacks, exile the top card of your library. You may play that card this turn."