Rezerno's Avatar

When Rezerno's Avatar enters the battlefield
create X 3/3 Eldrazi Scion creature tokens
where is is the number of lands you control
On the beginning of your upkeep create
X 4/4 Eldrazi Spawn creature tokens where
X is the number of creatures you control
Shroud, Flying, Trample
You have no maximum hand size
{t}{10} sacrifice X creatures: create X
X/X Eldrazi creature tokens