Rin and Seri, Inseparable - [Promo] Core Set 2021 (M21)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.

Dare to risk everything in battle

If you're the monarch

• Target creature an opponent controls gets -X/-X until end of turn

[−3]: Exile target artifact or creature

Whenever a creature an opponent controls dies

and haste until end of turn

When Yavimaya Elder dies

Evoke—Exile a blue card from your hand

{T}: Tap target land

Whenever you gain life

{R}: Scourge of Valkas gets +1/+0 until end of turn

If you would draw a card except the first one you draw in each of your draw steps