Flash (You may cast this spell any time you could cast an instant.)ReachWhen Great Oak Guardian enters, creatures target player controls get +2/+2 until end of turn. Untap them.
Destroy all creatures, then return a creature card put into a graveyard this way to the battlefield under your control. It's a black Zombie in addition to its other colors and types. Exile Necromantic Selection.
Each player sacrifices a creature of their choice. Create an X/X black Demon creature token with flying, where X is the total power of the creatures sacrificed this way.
FlyingWhenever Scythe Specter deals combat damage to a player, each opponent discards a card. Each player who discarded a card with the highest mana value among cards discarded this way loses life equal to that mana value.
FlyingWhenever an artifact creature you control deals combat damage to a player, you may create a 1/1 blue Thopter artifact creature token with flying.
Target creature you control gets +X/+X until end of turn. Then it fights up to one target creature you don't control. (Each deals damage equal to its power to the other.)
Flying, vigilanceWhenever Kangee, Sky Warden attacks, attacking creatures with flying get +2/+0 until end of turn.Whenever Kangee blocks, blocking creatures with flying get +0/+2 until end of turn.