Strionic Resonator (Retro) [The Brothers' War Commander] World Championship Series Set: HeartGold & SoulSilver: Black

Set: HeartGold & SoulSilver: Black Star Promos Type: Lightning Rarity: Promo Retreat cost: 3

Set: Pro Tour Promos Type: Legendary Creature — Dragon Rarity: Rare Cost: {3}{G}{W}{U} Flying

and the sea takes

Set: Jumpstart 2022 Type: Legendary Creature — Cat Shaman Rarity: Rare Cost: {2}{G} Whenever you cast a creature spell with mana value 5 or greater

if this card is in face-up

Strionic Resonator (Retro) [The Brothers' War Commander] World Championship Series Set: HeartGold & SoulSilver: BlackSet: 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.