Disrupting Scepter [International Collectors' Edition] Brawl Urza was a powerful cipher

Urza was a powerful cipher even before he was able to planeswalk

Set: Sun & Moon: Unbroken Bonds Type: Water Rarity: Secret Rare Retreat cost: Colorless

Set: Rivals of Ixalan Prerelease Promos Type: Creature — Dinosaur Rarity: Mythic Cost: {6}{G}{G} Enrage — Whenever Polyraptor is dealt damage

Set: Beta Edition Type: Instant Rarity: Uncommon Cost: {U} Cast this spell only during an opponent's turn

and three legs in the evening

Disrupting Scepter [International Collectors' Edition] Brawl Urza was a powerful cipherSet: International Collectors' Edition Type: Artifact Rarity: Rare Cost: {3} {3}, {T}: Target player discards a card. Activate only during your turn.