Swiftfoot Boots (Retro Schematic) (Serialized) [The Brothers' War Retro Artifacts] RC11 sacrifice it unless you exile

sacrifice it unless you exile another Merfolk you control

/ Which tells us the way to go

Set: Sun & Moon: Celestial Storm Type: Psychic Rarity: Ultra Rare Retreat cost: Colorless

Whenever a player draws a land card

Set: Dominaria Promos Type: Land Rarity: Rare {T}: Add {C}

Swiftfoot Boots (Retro Schematic) (Serialized) [The Brothers' War Retro Artifacts] RC11 sacrifice it unless you exileSet: The Brothers' War Retro Artifacts Type: Artifact Equipment Rarity: Uncommon Cost: {2} Equipped creature has hexproof and haste. (It can't be the target of spells or abilities your opponents control.) Equip {1} "Test 12: Boots now protect wearer from all hazards except blisters. Need to source better insoles." Development log of Willa, Yotian artificer