Become the Avalanche

You gain X life and draw X cards, where X is the number of creatures you control. Creatures you control get +1/+1 until end of turn.

Until end of turn, creatures you control gain trample and get +X/+X, where X is the greatest power among creatures you control.

Creatures you control get +X/+X until end of turn, where X is your devotion to green. (Each in the mana costs of permanents you control counts toward your devotion to green.)

Choose two creatures you control. You draw X cards and the chosen creatures get +X/+X and gain trample until end of turn, where X is the difference between the chosen creatures' powers.

Target creature gets +X/+X until end of turn, where X is the number of lands you control.

Draw a card for each creature you control.

Ferocious — You gain 4 life for each creature you control with power 4 or greater.