Kioko from the Psionic Clans

Mission; Survival of the Fittest, Doublestrike

Whenever a creature dies, Kioko from the Psionic Clans gains +1/+0 until the end of turn.

Whenever one or more cats you control deal combat damage to another player, you may look at that player's hand. Until the end of turn, you may cast any non-land permanent revealed in this way and may use any mana color to do so. Permanents cast this way are destroyed at
the end of turn.