Venom Snake Leader

Vigilance, menace
Human creatures you control get +1/+X, where X
is the number of Human creatures you control.
Whenever Venom snake deals combat damage to a player, exile the top X cards of their library, where
X is the amount of damage dealt. You may cast any number of spells with mana value X or less from among them without paying their mana costs.
When Venom Snake enter he fights up to one target creature you don't control.