Flying

At the beginning of combat on your turn, up to one target Blood token you control becomes a 2/2 black Bat creature with flying and haste in addition to its other types.

: Up to two target Swamps each become 3/5 Treefolk Warrior creatures in addition to their other types until end of turn.

Devoid (This card has no color.)

When Scion Summoner enters the battlefield, create a 1/1 colorless Eldrazi Scion creature token. It has "Sacrifice this creature: Add ." ( represents colorless mana.)

Counter target creature spell. Create a 2/2 blue Illusion creature token.

Search your library for a green creature card, reveal it, put it into your hand, then shuffle.

At the beginning of your next upkeep, pay . If you don't, you lose the game.

Ascend (If you control ten or more permanents, you get the city's blessing for the rest of the game.)

Whenever Tilonalli's Summoner attacks, you may pay . If you do, create X 1/1 red Elemental creature tokens that are tapped and attacking. At the beginning of the next end step, exile those tokens unless you have the city's blessing.

When Trostani's Summoner enters the battlefield, create a 2/2 white Knight creature token with vigilance, a 3/3 green Centaur creature token, and a 4/4 green Rhino creature token with trample.