companion — your starting deck contains only cards with even mana values. (if this card is your chosen companion, you may put it into your hand from outside the game for 3 any time you could cast a sorcery.)
when gyruda enters the battlefield, each player mills four cards. put a creature card with an even mana value from among the milled cards onto the battlefield under your control.
Gyruda, Doom of Depths (Serialized) from Multiverse Legends