Rin and Seri, Inseparable (Buy-A-Box) [Core Set 2021]Set: 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.

Set: Base Set Shadowless Unlimited Type: Lightning Rarity: Common Retreat cost: Colorless

Set: World Championship Decks 2000 Type: Instant Rarity: Uncommon Cost: {W} Search your library for an artifact or enchantment card

Set: Black & White: Plasma Storm Type: Colorless Rarity: Rare Retreat cost: Colorless

When Sidisi

Set: Arabian Nights Type: Artifact Rarity: Uncommon Cost: {1} Remove Jeweled Bird from your deck before playing if you're not playing for ante

sacrifice Ball Lightning

Jiang Wei alone still strove with might and main: / Nine times more he fought the north—in vain

exile Kytheon

put it into its owner's graveyard

{T}: Add {B} or {G}

destroy the other

any player may pay half their life