Grim Flayer

Grim Flayer
{B}{G}

Creature - Human Warrior | Power/Toughness: 2 / 2 (CMC 2)
Trample
Whenever Grim Flayer deals combat damage to a player, look at the top three cards of your library. Put any number of them into your graveyard and the rest back on top of your library in any order.
Delirium -- Grim Flayer gets +2/+2 as long as there are four or more card types among cards in your graveyard.