Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for .)When Maverick Thopterist enters, create two 1/1 colorless Thopter artifact creature tokens with flying.
FlyingWhenever Conundrum Sphinx attacks, each player chooses a card name. Then each player reveals the top card of their library. If the card a player revealed has the name they chose, that player puts it into their hand. If it doesn't, that player puts it on the bottom of their library.
Mill three cards, then you may return a creature or land card from your graveyard to your hand. (To mill three cards, put the top three cards of your library into your graveyard.)
Landfall — Whenever a land you control enters, you may put a quest counter on Khalni Heart Expedition.Remove three quest counters from Khalni Heart Expedition and sacrifice it: Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle.
FlyingWhen Enigma Sphinx is put into your graveyard from the battlefield, put it into your library third from the top.Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom in a random order.)