Each time a spell or ability instructs you to roll a d20, you may apply Pokey's third ability as a replacement effect to flip a coin instead
Quite frequently he gets cast as a 4/4 is not too shabby which does make him vulnerable to some white spot removal but otherwise has a quirky kind of hexproof where your opponent is scared of sending him to the graveyard so either halts attacking or chump blocks or takes 4 to the face each turn
Aesi, Tyrant of Gyre StraitAesi, Tyrant of Gyre Strait might be the worst offender, simply allowing you to play a land, draw a card, and then play another land to draw another card
Prince Imrahil the Fair Prince Imrahil the Fair is a low-cost commander which makes it easier to get it out early and consistently recast it
The cost reduction applies only to generic mana in the total cost of green spells you cast
How Much Will the Pokmon Happy Meals Cost