Arana, Heart of the Spider [SPM - 123]

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.)

Rarity: Rare

#: 123

Card Type: Legendary, Creature, Legendary Creature — Spider Human Hero

Card Color: R, W

Casting Cost: {1}{R}{W}