Cavern of Souls (Topper) [Ultimate Masters Box Topper]Set: Ultimate Masters Box Topper Type: Land Rarity: Mythic As Cavern of Souls enters the battlefield, choose a creature type. {T}: Add {C}. {T}: Add one mana of any color. Spend this mana only to cast a creature spell of the chosen type, and that spell can't be countered.

Set: Wizards of the Coast: Black Star Promos Type: Grass Rarity: Black Star Promo Retreat cost: Colorless

" —*The Accounting of Hours*

{U}: Counter target spell with the chosen name

Each time your opponent Sets a Spell or Trap Card(s): Inflict 300 damage to your opponent

Set: XY: Base Set Type: Grass Rarity: Ultra Rare Retreat cost: Colorless

Set: Arena League 1999 Type: Basic Land — Mountain Rarity: Rare ({T}: Add {R}

Set: Modern Masters Type: Land Rarity: Rare Whenever City of Brass becomes tapped

Set: Base Set 1st Edition Type: Trainer Rarity: Common

Dragon-God has all loyalty abilities of all other planeswalkers on the battlefield

Spells your opponents cast during your turn cost {1} more to cast

Set: Shadows over Innistrad Prerelease Promos Type: Creature — Hydra Rarity: Mythic Cost: {4}{G}{G} Reach

Set: Monarch Edition: 1st Edition Finish: Cold Foil Type: Equipment Subtype: Legs Rarity: Legendary Class: Warrior Power: 1 At the beginning of your end phase