Clockwork Beast [Limited Edition Beta] Artifact

Clockwork Beast [Limited Edition Beta] ArtifactSet: Limited Edition Beta Type: Artifact Creature Beast Rare Cost: {6} 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 this ability only during your upkeep.

Sacrifice it at the beginning of the next end step

Set: Grand Prix Promos Type: Creature — Kor Artificer Rare Cost: {1}{W} When Stoneforge Mystic enters the battlefield

He wished for growth

Set: Limited Edition Alpha Type: Creature — Goblin Rare Cost: {1}{R}{R} Other Goblin creatures get +1/+1 and have mountainwalk

prevent the next 1 damage that would be dealt to that permanent or player this turn

" —Tezzeret

Skybridges from across Kylem converge at the grand stadium of Valor's Reach

destroy Worms of the Earth

Set: Amonkhet Invocations Type: Instant Mythic Cost: {1}{U}{U} Buyback—Discard two cards

and Kozilek

Set: Limited Edition Alpha Type: Instant Common Cost: {1}{R} Destroy target artifact

(A triggered ability uses the words "when