land confusion

, , Discard a card: X target lands become Forests until end of turn.

Until end of turn, all creatures become black and all lands become Swamps.

Each land is a Swamp in addition to its other land types.

At the beginning of your upkeep, sacrifice this enchantment unless you pay . All Mountains are Plains.

Lands you control are Plains. Nonland permanents you control are white. The same is true for spells you control and nonland cards you own that aren't on the battlefield. You may spend white mana as though it were mana of any color. You may spend other mana only as though it were colorless mana.

Nonbasic lands are Mountains.

At the beginning of your upkeep, sacrifice this enchantment unless you pay . All Mountains are Plains.

Cumulative upkeep (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.) If tapped for mana, Plains produce , Swamps produce , Mountains produce , and Forests produce instead of any other type.

At the beginning of each player's upkeep, that player puts a flood counter on target non-Island land they control of their choice. That land is an Island for as long as it has a flood counter on it. At the beginning of each end step, if all lands on the battlefield are Islands, remove all flood counters from them.

Islandwalk (This creature can't be blocked as long as defending player controls an Island.) All lands are Islands in addition to their other types. Creatures without flying or islandwalk can't attack.