Cauldron of Souls [Shadowmoor] XY151 if used as Fusion Material

if used as Fusion Material this turn

{U}: Return Windreaver to its owner's hand

Set: Alpha Edition Type: Artifact Rarity: Uncommon Cost: {1} Whenever a player casts a red spell

Set: Mirrodin Type: Artifact Creature — Construct Rarity: Rare Cost: {6} Triskelion enters the battlefield with three +1/+1 counters on it

Cauldron of Souls [Shadowmoor] XY151 if used as Fusion MaterialSet: Shadowmoor Type: Artifact Rarity: Rare Cost: {5} {T}: Choose any number of target creatures. Each of those creatures gains persist until end of turn. (When it dies, if it had no 1 1 counters on it, return it to the battlefield under its owner's control with a 1 1 counter on it.)