Somanack, Eater Of Plains

Trample, Indestructible, Annihilator X
When Somanack, Eater Of Plains attacks destroy
target land, then
Island: Gain Control of target permanent.
Swamp: Creatures you control gain annihilator 1,
or get one more annihilator.
Mountain: Deal 10 damage to target creature.
Plains: Exile target non land permanent then gain
life equal to its converted mana cost.
Forests: Create a 5/5 colorless Eldrazi creature
token with trample and annihilator 1.