Storm Seeker [Legends] Human Mystic "Which would you like first

"Which would you like first

Set: Core Set 2019 Prerelease Promos Type: Legendary Creature — Dragon Rarity: Rare Cost: {4}{R}{R} Flying

Set: Antiquities Type: Creature — Phyrexian Demon Rarity: Rare Cost: {4}{B}{B} Flying (This creature can't be blocked except by creatures with flying or reach

If that player doesn't

Set: Amonkhet Invocations Type: Instant Rarity: Mythic Cost: {1}{U}{U} Buyback—Discard two cards

Storm Seeker [Legends] Human Mystic "Which would you like firstSet: Legends Type: Instant Rarity: Uncommon Cost: {3}{G} Storm Seeker deals damage to target player equal to the number of cards in that player's hand.