![Rin and Seri, Inseparable (Buy-A-Box) [Core Set 2021]](https://www.cardgametoponline.com/wp-content/uploads/2026/07/rin-seri-inseparable-buy-box-core-set-2021.webp)
Description
| 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.
![Sway of the Stars [Betrayers of Kamigawa]](https://www.cardgametoponline.com/wp-content/uploads/2026/07/sway-stars-betrayers-kamigawa.webp)
![Underworld Dreams [Magic 2010]](https://www.cardgametoponline.com/wp-content/uploads/2026/07/underworld-dreams-magic-2010.webp)
![Natural Order [Judge Gift Cards 2010]](https://www.cardgametoponline.com/wp-content/uploads/2026/07/natural-order-judge-gift-cards-2010.webp)
![Progenitus [From the Vault: Legends]](https://www.cardgametoponline.com/wp-content/uploads/2026/07/progenitus-from-vault-legends.webp)
![Eunuchs' Intrigues [Portal Three Kingdoms]](https://www.cardgametoponline.com/wp-content/uploads/2026/07/eunuchs-intrigues-portal-three-kingdoms.webp)
![Forgotten Creation [Shadows over Innistrad Prerelease Promos]](https://www.cardgametoponline.com/wp-content/uploads/2026/07/forgotten-creation-shadows-over-innistrad-prerelease-promos.webp)
![Call of the Wild [Classic Sixth Edition]](https://www.cardgametoponline.com/wp-content/uploads/2026/07/call-wild-classic-sixth-edition.webp)
![Flooded Strand [Khans of Tarkir]](https://www.cardgametoponline.com/wp-content/uploads/2026/07/flooded-strand-khans-tarkir.webp)