Ancient Brass Dragon [Commander Legends: Battle for Baldur's Gate Prerelease Promos]

Ancient Brass Dragon [Commander Legends: Battle for Baldur's Gate Prerelease Promos]Set: Commander Legends: Battle for Baldur's Gate Prerelease Promos Type: Creature Elder Dragon Rarity: Mythic Cost: {5}{B}{B} Flying Whenever Ancient Brass Dragon deals combat damage to a player, roll a d20. When you do, put any number of target creature cards with total mana value X or less from graveyards onto the battlefield under your control, where X is the result.

I — Urza's Saga gains "{T}: Add {C}

Set: War of the Spark Type: Sorcery Rarity: Mythic Cost: {X}{G}{G} Search your library and/or graveyard for a creature card with mana value X or less and put it onto the battlefield

and its horrendous cost

I simply open it up and look

Set: Nemesis Type: Creature — Kor Soldier Rarity: Uncommon Cost: {3}{W}{W} Whenever Silkenfist Order becomes blocked

Set: XY: BREAKthrough Type: Supporter Rarity: Ultra Rare

Set: Rise of the Unison Warrior Prerelease Promos Era: Majin Buu Saga Rarity: Rare Game character: Vegeta Color: Black Card type: Battle Power: 20000 Combo power: 5000

then you may reveal the top card of your library

Set: Sword & Shield: Black Star Promos Type: Colorless Rarity: Promo Retreat cost: Colorless

Set: Secret Lair Drop Series Type: Instant Rarity: Rare Cost: {1}{B/P}{B/P} ({B/P} can be paid with either {B} or 2 life

Set: EX: Power Keepers Type: Fighting Rarity: Holo Rare Retreat cost: Colorless

Roiling Vortex deals 1 damage to them