Gem of the Wilds

When Gem of the Wilds enters, put a +1/+1 counter on each creature you control.

At the beginning of your upkeep, you gain 1 life for each creature you control.

Exhaust- {4}{t}: Create a 3/3 green dinosaur creature token with trample and a 3/3 white dinosaur creature token with vigilance. Activate this ability only once per game.