Tentacool

Toxic 1

When Tentacool enters the battlefield, draw a card.
If black mana was spent to cast this creature, target opponent gets a poison counter.
If green mana was spent to cast this creature, you may play another land this turn.

Do both if both black and green mana were spent.

Evolve - {2}{u}{b/g}: Search your library for a card named Tentacruel and place it onto the battlefield tapped.
Exile Tentacool.