Tawnos won fame as Urza's greatest assistant. After he created these warriors, Urza ended his apprenticeship, promoting him directly to the rank of master.
Flying Clockwork Avian enters the battlefield with four +1/+0 counters on it. At end of combat, if Clockwork Avian attacked or blocked this combat, remove a +1/+0 counter from it. {X}, {T}: Put up to X +1/+0 counters on Clockwork Avian. This ability can't cause the total number of +1/+0 counters on Clockwork Avian to be greater than four. Activate only during your upkeep.
Clockwork Beast enters the battlefield with seven +1/+0 counters on it. At end of combat, if Clockwork Beast attacked or blocked this combat, remove a +1/+0 counter from it. {X}, {T}: Put up to X +1/+0 counters on Clockwork Beast. This ability can't cause the total number of +1/+0 counters on Clockwork Beast to be greater than seven. Activate only during your upkeep.
Remove Contract from Below from your deck before playing if you're not playing for ante. Discard your hand, ante the top card of your library, then draw seven cards.
You may have Copy Artifact enter the battlefield as a copy of any artifact on the battlefield, except it's an enchantment in addition to its other types.
First strike At the beginning of your upkeep, destroy Cosmic Horror unless you pay {3}{B}{B}{B}. If Cosmic Horror is destroyed this way, it deals 7 damage to you.
". . . [S]creams of horror rend th' affrighted skies." —Alexander Pope, The Rape of the Lock
The most terrifying thing about the craw wurm is probably the horrible crashing sound it makes as it speeds through the forest. This noise is so loud it echoes through the trees and seems to come from all directions at once.