Rin and Seri, Inseparable (Borderless) [Secret Lair Drop Series] Horse Spirit If it's a green card

If it's a green card

Set: Murders at Karlov Manor Commander Type: Sorcery // Instant Rarity: Uncommon Cost: {1}{U/B} // {3}{U}{B} Discovery

if it was kicked with its {1}{B} kicker

Set: Magic Premiere Shop Type: Basic Land Island Rarity: Rare Lorwyn Cycle

"My observations of the Multiverse are too valuable not to preserve for posterity

Rin and Seri, Inseparable (Borderless) [Secret Lair Drop Series] Horse Spirit If it's a green cardSet: 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.