Clockwork Beast [Alpha Edition] Commander 2018 Prevent all combat damage that

Prevent all combat damage that would be dealt to and dealt by that creature this turn

Whenever a player casts a spell with mana value equal to the number of charge counters on Chalice of the Void

Set: Betrayers of Kamigawa Type: Instant — Arcane Rarity: Rare Cost: {X}{U}{U} You may exile a blue card with mana value X from your hand rather than pay this spell's mana cost

They become 5/5 Elemental creatures with flying and haste until end of turn

Clockwork Beast [Alpha Edition] Commander 2018 Prevent all combat damage thatSet: Alpha Edition Type: Artifact Creature Beast Rarity: 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 only during your upkeep.