Underworld Warrior

Indestructible
When Underworld Warrior enters the battlefield,
Give 3 target creatures 2 venom counters.
(Venom counter multiplies by 2 every turn.
When creature has 10 venom counters,
send that card to the graveyard)
{1}{b} Dark Bones: Send this card to the graveyard
and search your deck for 2 basic lands.