{T}: Target creature with flying has base power 0 until end of turn.
The Isle of Wak-Wak, home to a tribe of winged folk, is named for a peculiar fruit that grows there. The fruit looks like a woman's head, and when ripe speaks the word "Wak."
If Lake of the Dead would enter, 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. {T}: Add {B}. {T}, Sacrifice a Swamp: Add {B}{B}{B}{B}.
{T}: Add {C}. {1}: Mishra's Factory becomes a 2/2 Assembly-Worker artifact creature until end of turn. It's still a land. {T}: Target Assembly-Worker creature gets +1/+1 until end of turn.
Thawing Glaciers enters tapped. {1}, {T}: Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle. Return Thawing Glaciers to its owner's hand at the beginning of the next cleanup step.