Tide Shaper
Modern Horizons 2 — uncommon
Creature — Merfolk Wizard
Tide Shaper rulings:
2021-06-18: If Tide Shaper leaves the battlefield before its triggered ability resolves, the target land will not become an Island.
2021-06-18: A land that becomes an Island gains “: Add ” and loses all other abilities. It loses any other land types, but it doesn't lose any types or supertypes, such as creature, legendary, or snow.
2021-06-18: Tide Shaper will get +1/+1 as long as an opponent controls any land with the Island land type, not just ones named Island.