Rin and Seri, Inseparable (Borderless) [Secret Lair Drop Series] XY172 Whenever one or more Dragons

Whenever one or more Dragons you control attack an opponent

Set: Black & White: Dark Explorers Type: Water Rarity: Holo Rare Retreat cost: Colorless

a unique melody played just for them

Set: Unlimited Edition Type: Creature — Merfolk Rarity: Rare Cost: {U}{U} Other Merfolk get +1/+1 and have islandwalk

Set: Introductory Two-Player Set Type: Creature — Human Monk Rarity: Uncommon Cost: {G}{G} Protection from black

Rin and Seri, Inseparable (Borderless) [Secret Lair Drop Series] XY172 Whenever one or more DragonsSet: 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.