FlyingWhen Sphinx of Uthuun enters, reveal the top five cards of your library. An opponent separates those cards into two piles. Put one pile into your hand and the other into your graveyard.
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.
Create a 1/1 black and green Worm creature token for each land card in your graveyard.Retrace (You may cast this card from your graveyard by discarding a land card in addition to paying its other costs.)
FlashBestow (If you cast this card for its bestow cost, it's an Aura spell with enchant creature. It becomes a creature again if it's not attached to a creature.)Enchanted creature gets +4/+2.
Jeskai Infiltrator can't be blocked as long as you control no other creatures.When Jeskai Infiltrator deals combat damage to a player, exile it and the top card of your library in a face-down pile, shuffle that pile, then manifest those cards. (To manifest a card, put it onto the battlefield face down as a 2/2 creature. Turn it face up any time for its...
Flying: This creature gets +1/+0 until end of turn.: Destroy each nonland permanent with mana value X whose controller was dealt combat damage by this creature this turn. Activate only once each turn.
Flash (You may cast this spell any time you could cast an instant.)Enchant creatureEnchanted creature gets +1/+1.Umbra armor (If enchanted creature would be destroyed, instead remove all damage from it and destroy this Aura.)
Landfall — Whenever a land you control enters, Baloth Woodcrasher gets +4/+4 and gains trample until end of turn. (It can deal excess combat damage to the player or planeswalker it's attacking.)
FlyingWhen Boreas Charger leaves the battlefield, choose an opponent who controls more lands than you. Search your library for a number of Plains cards equal to the difference, reveal those cards, put one of them onto the battlefield tapped and the rest into your hand, then shuffle.
