Clockwork Steed enters with four +1/+0 counters on it.Clockwork Steed can't be blocked by artifact creatures.At end of combat, if Clockwork Steed attacked or blocked this combat, remove a +1/+0 counter from it., : Put up to X +1/+0 counters on Clockwork Steed. This ability can't cause the total number of +1/+0 counters on Clockwork Steed to be greater...
Enchant creatureAt the beginning of your upkeep, sacrifice Serra Bestiary unless you pay .Enchanted creature can't attack or block, and its activated abilities with in their costs can't be activated.
As an additional cost to cast this spell, sacrifice a land.Search your library for a basic land card, put that card onto the battlefield, then shuffle.Draw a card at the beginning of the next turn's upkeep.
Choose two target creatures controlled by the same opponent. That player chooses and sacrifices one of those creatures. Put a -1/-1 counter on the other.
FlyingWhen Giant Albatross dies, you may pay . If you do, for each creature that dealt damage to Giant Albatross this turn, destroy that creature unless its controller pays 2 life. A creature destroyed this way can't be regenerated.
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.