Soul of Eternity [Commander Legends] SM187 When your opponent activates the

When your opponent activates the effect of a monster with an Attribute that is not on their field

Set: Shadowmoor Type: Creature — Kraken Rarity: Rare Cost: {5}{U}{U} Shroud (This creature can't be the target of spells or abilities

You can only use each effect of "Time Thief Regulator" once per turn

or Effect Monster's effect is activated that would destroy a monster(s) on the field: You can send 1 card from your hand to the Graveyard

Set: Born of the Gods Prerelease Promos Type: Creature — Demon Rarity: Rare Cost: {5}{B}{B} Flying

Soul of Eternity [Commander Legends] SM187 When your opponent activates theSet: Commander Legends Type: Creature Avatar Rarity: Rare Cost: {5}{W}{W} Soul of Eternity's power and toughness are each equal to your life total. Encore {7}{W}{W} ({7}{W}{W}, Exile this card from your graveyard: For each opponent, create a token copy that attacks that opponent this turn if able. They gain haste. Sacrifice them at the beginning of the next end step. Activate only as a sorcery.)