Rin and Seri, Inseparable (Borderless) [Secret Lair Drop Series] restock {T}: Create a 1/1 colorless

{T}: Create a 1/1 colorless Sliver creature token

Set: Fifth Dawn Type: Artifact Rarity: Rare Cost: {3} {1}: Untap Staff of Domination

well fitting

The thundering rifle of a Trencher Express team means death to even well-protected foes of Cygnar

It contains two units of Sworn Brothers

Rin and Seri, Inseparable (Borderless) [Secret Lair Drop Series] restock {T}: Create a 1/1 colorlessSet: Secret Lair Drop Series 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.