Roil Elemental [Secret Lair Drop Series] Saga Five rivers encircle Theros

Five rivers encircle Theros

Set: Collectors' Edition Type: Instant Rarity: Uncommon Cost: {W} Exile target creature

Set: Revised Edition Type: Creature — Merfolk Rarity: Rare Cost: {U}{U} Other Merfolk get +1/+1 and have islandwalk

Set: Amonkhet Prerelease Promos Type: Creature — Cat Snake Rarity: Rare Cost: {1}{G}{G} This spell can't be countered

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Roil Elemental [Secret Lair Drop Series] Saga Five rivers encircle TherosSet: Secret Lair Drop Series Type: Creature Elemental Rarity: Rare Cost: {3}{U}{U}{U} Flying Landfall Whenever a land enters the battlefield under your control, you may gain control of target creature for as long as you control Roil Elemental.