Rin and Seri, Inseparable (Borderless) [Secret Lair Drop Series] 30th Anniversary Promos instead you may have them

instead you may have them mill exactly four cards and put this card into their hand from their graveyard

Set: Duel Decks: Phyrexia vs

Set: Urza's Legacy Type: Enchantment Rarity: Rare Cost: {G} When an opponent casts an instant spell

Ebonlake Grotto

At the beginning of each upkeep

Rin and Seri, Inseparable (Borderless) [Secret Lair Drop Series] 30th Anniversary Promos instead you may have themSet: Secret Lair Drop Series 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.