x and y base set booster box Pokemon - Scarlet & Violet - - Mega Evolution Pokemon evolve from Pokemon Pokemon XY X & Y

An Aura that phases in unattached will be put into its owners graveyard as a state-based action

Magic the Gathering has done a lot of crossover sets this year, and even one with Warhammer 40k

Ice Wizard and Tombstone are your main defensive cards

C Common Divine Temple of the Snake-Eye X SPELL Field When this card is activated: You can place 1 "Snake-Eye" monster from your hand, Deck, or GY face-up in its owner's Spell & Trap Zone as a Continuous Spell

The problem is that it is non -regular summons, and the effect is invalidated, so there is no reason to bring it

More likely that particular line of text belongs in Boros or Izzet