Caldera Lake enters the battlefield tapped.

: Add .

: Add or . Caldera Lake deals 1 damage to you.

, : Add .

If Lake of the Dead would enter the battlefield, sacrifice a Swamp instead. If you do, put Lake of the Dead onto the battlefield. If you don't, put it into its owner's graveyard.

: Add .

, Sacrifice a Swamp: Add .

When Monstrosity of the Lake enters the battlefield, you may pay . If you do, tap all creatures your opponents control, then put a stun counter on each of those creatures. (If a permanent with a stun counter would become untapped, remove one from it instead.)

Islandcycling (, Discard this card: Search your library for an Island card, reveal it, put it into your hand, then shuffle.)

Flash

This spell can't be countered.

Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)

Return three lands you control to their owner's hand: Return Pearl Lake Ancient to its owner's hand.