Strionic Resonator (Retro) [The Brothers' War Commander] CRU147 Set: Summer Magic / Edgar

Set: Summer Magic / Edgar Type: Artifact Rarity: Uncommon Cost: {1} Whenever a player casts a white spell

Whenever Scourge of the Throne attacks for the first time each turn

Set: Modern Horizons Type: Creature — Beast Rarity: Common Cost: {4}{G}{G} Trample

You choose an instant or sorcery card from it

Set: New Phyrexia Type: Legendary Creature — Phyrexian Praetor Rarity: Mythic Cost: {5}{B}{B} Swampwalk (This creature can't be blocked as long as defending player controls a Swamp

Strionic Resonator (Retro) [The Brothers' War Commander] CRU147 Set: Summer Magic / EdgarSet: The Brothers' War Commander Type: Artifact Rarity: Rare Cost: {2} {2}, {T}: Copy target triggered ability you control. You may choose new targets for the copy. (A triggered ability uses the words "when," "whenever," or "at.") Nobody knew what the relic did, only that it was growing louder.