Bosh, Iron Golem Avatar

Whenever you cast a spell, you gain 2 life.

Whenever you cast a spell, you gain 2 life.

Attacking creatures you control get +1/+0.

Attacking creatures you control get +1/+0.

Whenever you cast a creature spell, you may pay 1. If you do, draw a card.

Lands you control have "T: Add one mana of any color."

Whenever a creature you control dies, target opponent loses 1 life and you gain 1 life.

Whenever a nontoken creature you control enters, that creature deals X damage to target creature, where X is a number chosen at random from 0 to 4.