Return target nonland permanent you don't control to its owner's hand.
Overload 6 (You may cast this spell for its overload cost. If you do, change its text by replacing all instances of "target" with "each".)
Extort (Whenever you cast a spell, you may pay . If you do, each opponent loses 1 life and you gain that much life.)
Whenever you tap a Swamp for mana, add to your mana pool. (in addition to the mana the land produces.)