Flying

Defender (This creature can't attack.)

: Dark Maze can attack this turn as though it didn't have defender. Exile it at the beginning of the next end step.

: Regenerate Diabolic Machine.

Flying

At the beginning of your upkeep, sacrifice Phantasmal Forces unless you pay .

Flying

Whenever a creature dealt damage by Seraph this turn dies, put that card onto the battlefield under your control at the beginning of the next end step. Sacrifice the creature when you lose control of Seraph.

: Urza's Avenger gets -1/-1 and gains your choice of banding, flying, first strike, or trample until end of turn. (Any creatures with banding, and up to one without, can attack in a band. Bands are blocked as a group. If any creatures with banding you control are blocking or being blocked by a creature, you divide that creature's combat damage, not its controller, among any of the creatures it's being blocked by or is blocking.)