Waves of Aggression [Eventide] Coldsnap Brass Gnat doesn't untap during

Brass Gnat doesn't untap during your untap step

then discard a card

Set: Zendikar Type: Legendary Creature — Angel Rarity: Mythic Cost: {6}{W}{W}{W} Flying

Set: Prophecy Type: Enchantment Rarity: Rare Cost: {1}{U} Whenever a player puts a nontoken creature onto the battlefield

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Waves of Aggression [Eventide] Coldsnap Brass Gnat doesn't untap duringSet: Eventide Type: Sorcery Rarity: Rare Cost: {3}{R W}{R W} Untap all creatures that attacked this turn. After this main phase, there is an additional combat phase followed by an additional main phase. Retrace (You may cast this card from your graveyard by discarding a land card in addition to paying its other costs.)