pokemon tcg plasma storm booster box B&W Pokémon including Deoxys B&W Plasma Freeze Booster Box

Mechanics like Flashback let you cast creatures from the grave to the battlefield, Dredge lets you exile cards from the graveyard to substitute the mana cost, and some cards just straight up say you may cast this card from the graveyard

Reidane, God of the Worthy will tax any opponent wanting to cast a noncreature spell with a CMC of four or more

In short, Ashaya is a tank, and all you need to do is give them fuel to win the game

You may also want a deck box to store all your cards

I also just like when my commander has lifelink

Another thing that design occasionally does, that development seldom does, is just start with a certain card or cards in the opening hand