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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 deals damage to any target equal to the number of Dogs you control. You gain life equal to the number of Cats you control.
Abilities, attacks, weakness & resistance
Other cards from Core Set 2021
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Rin and Seri, Inseparable (M21‑278) is a legendary Dog Cat creature from Core Set 2021. It creates a 1/1 Cat token whenever you cast a Dog spell and a 1/1 Dog token whenever you cast a Cat spell. For {R}{G}{W} and tapping, it deals damage equal to the number of Dogs you control and you gain life equal to the number of Cats you control.
Catalog pricing data as of 2 May 2026, 10:45
