pokemon cards greninja Pokémon Trading Card Game: Mega ex Premium Collection 10-10413-108 This specific #214 card has been expertly preserved Greninja ex - Mega Rising

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Naiad of Hidden Coves is certainly an exciting one, but Arena Trickster is unimpressive (and makes you wait until turn five to deploy a Wind Drake)

It only applies while it's a permanent on the battlefield

You'll want to pair this Mardu commander with mill cards like Mesmeric Orb and pinpoint graveyard hate like Lion Sash to get creatures in your opponents' graveyard and exile chaff like Llanowar Elves