Unbreakable Formation (Retro) [The Brothers' War Commander] Goblin Mutant [When Attacking] By returning 1

[When Attacking] By returning 1 Digimon card from your opponent's trash to the bottom of the deck

(This Digimon checks 1 additional security card) Then

Set: Modern Horizons 3 Commander Type: Artifact Rarity: Rare Cost: {5} Whenever a creature you control attacks

Set: Conspiracy: Take the Crown Type: Creature — Human Cleric Rarity: Uncommon Cost: {1}{W}{W} Melee (Whenever this creature attacks

Dark whispers echo in the night

Unbreakable Formation (Retro) [The Brothers' War Commander] Goblin Mutant [When Attacking] By returning 1Set: The Brothers' War Commander Type: Instant Rarity: Rare Cost: {2}{W} Creatures you control gain indestructible until end of turn. Addendum If you cast this spell during your main phase, put a +1 +1 counter on each of those creatures and they gain vigilance until end of turn.