Merfolk Sovereign [Jumpstart 2022] SWSH182 A mudflow swallowed the lowlands

A mudflow swallowed the lowlands years ago

Sacrifice Phyrexian Debaser: Target creature gets -2/-2 until end of turn

Metal Rarity: Promo Retreat cost: Colorless

Set: March of the Machine: The Aftermath Type: Sorcery Rarity: Uncommon Cost: {1}{R} Search your library for an artifact card

Set: Phyrexia: All Will Be One Type: Creature — Phyrexian Rat Rarity: Common Cost: {1}{B} Toxic 1 (Players dealt combat damage by this creature also get a poison counter

Merfolk Sovereign [Jumpstart 2022] SWSH182 A mudflow swallowed the lowlandsSet: Jumpstart 2022 Type: Creature Merfolk Noble Rarity: Rare Cost: {1}{U}{U} Other Merfolk creatures you control get +1 +1. {T}: Target Merfolk creature can't be blocked this turn. "Be like the sea: flow around that which is unmovable; for everything else, crash into it unrelentingly."