Clockwork Beast [Alpha Edition] supplies Whenever another creature dies

Whenever another creature dies

Sacrifice two other creatures: Put an indestructible counter on Sopandrel

Your pieces would better serve Phyrexia elsewhere

allowing Valgavoth to feed on their fear and bind them to the essence of the House

instead create one of each

Clockwork Beast [Alpha Edition] supplies Whenever another creature diesSet: 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.