Brainstealer Dragon [Commander Legends: Battle for Baldur's Gate] Sphinx Rogue When Thundermare enters the battlefield

When Thundermare enters the battlefield

Set: Antiquities Type: Enchantment Rarity: Uncommon Cost: {3}{B} Whenever an artifact becomes tapped or a player activates an artifact's ability without {T} in its activation cost

All cards that aren't on the battlefield

The bigger they are

If it's a creature card of the chosen type

Brainstealer Dragon [Commander Legends: Battle for Baldur's Gate] Sphinx Rogue When Thundermare enters the battlefieldSet: Commander Legends: Battle for Baldur's Gate Type: Creature Dragon Horror Rarity: Rare Cost: {5}{B}{B} Flying At the beginning of your end step, exile the top card of each opponent's library. You may play those cards for as long as they remain exiled. If you cast a spell this way, you may spend mana as though it were mana of any color to cast it. Whenever a nonland permanent an opponent owns enters the battlefield under your control, they lose