Rin and Seri, Inseparable (Buy-A-Box) [Core Set 2021] Elemental Spirit Set: Champs and States Type:

Set: Champs and States Type: Legendary Creature — Dragon Wizard Rarity: Rare Cost: {2}{U}{U}{R}{R} Flying

is the chaos of a thundercloud

you may create a token that's a copy of that creature that's tapped and attacking that player or a planeswalker they control

Set: Beta Edition Type: Artifact Creature — Golem Rarity: Uncommon Cost: {6} "The foot stone is connected to the ankle stone

Goblin Grandee enters the battlefield

Rin and Seri, Inseparable (Buy-A-Box) [Core Set 2021] Elemental Spirit Set: Champs and States Type: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.