Rin and Seri, Inseparable (Buy-A-Box) [Core Set 2021] MON000-CF {1}: Mutavault becomes a 2/2

{1}: Mutavault becomes a 2/2 creature with all creature types until end of turn

then an opponent gains control of them

Set: Limited Edition Alpha Type: Creature — Skeleton Wall Rarity: Uncommon Cost: {2}{B} Defender (This creature can't attack

each other non-Aura enchantment you control is a creature in addition to its other types and has base power and base toughness each equal to its converted mana cost

create X 1/1 Sand Warrior creature tokens that are red

Rin and Seri, Inseparable (Buy-A-Box) [Core Set 2021] MON000-CF {1}: Mutavault becomes a 2/2Set: Core Set 2021 Type: Legendary Creature Dog Cat Rarity: Mythic Cost: {1}{R}{G}{W} Whenever you cast a Dog spell, create a 1 1 green Cat creature token. Whenever you cast a Cat spell, create a 1 1 white Dog creature token. {R}{G}{W}, {T}: Rin and Seri, Inseparable deals damage to any target equal to the number of Dogs you control. You gain life equal to the number of Cats you control.