Flying (This creature can't be blocked except by creatures with flying or reach.)Sacrifice Shard Phoenix: It deals 2 damage to each creature without flying.: Return Shard Phoenix from your graveyard to your hand. Activate only during your upkeep.
Whenever a creature enters, if there are two or more other creatures on the battlefield, exile that creature. Return that card to the battlefield under its owner's control when Portcullis leaves the battlefield.
Spike Feeder enters with two +1/+1 counters on it., Remove a +1/+1 counter from Spike Feeder: Put a +1/+1 counter on target creature.Remove a +1/+1 counter from Spike Feeder: You gain 2 life.
Skeleton Scavengers enters with a +1/+1 counter on it.Pay for each +1/+1 counter on Skeleton Scavengers: Regenerate Skeleton Scavengers. When it regenerates this way, put a +1/+1 counter on it.
Crovax the Cursed enters with four +1/+1 counters on it.At the beginning of your upkeep, you may sacrifice a creature. If you do, put a +1/+1 counter on Crovax. If you don't, remove a +1/+1 counter from Crovax.: Crovax gains flying until end of turn.
If you would draw a card, you may put a study counter on Pursuit of Knowledge instead.Remove three study counters from Pursuit of Knowledge, Sacrifice Pursuit of Knowledge: Draw seven cards.
Whenever a nontoken permanent is put into your graveyard from the battlefield, Jinxed Ring deals 1 damage to you.Sacrifice a creature: Target opponent gains control of Jinxed Ring. (This effect lasts indefinitely.)