Disrupting Scepter [International Collectors' Edition] Aura Discard a card with mana

Discard a card with mana value X: Counter target spell with mana value X

it would be to survive the parasites who loot its treasures and threaten its life force

Set: Unlimited Edition Type: Creature — Cockatrice Rarity: Rare Cost: {3}{G}{G} Flying

Set: Ultimate Masters Box Topper Type: Sorcery Rarity: Mythic Cost: {B} Put target creature card from a graveyard onto the battlefield under your control

Whenever a player casts a spell with mana value equal to the number of charge counters on Chalice of the Void

Disrupting Scepter [International Collectors' Edition] Aura Discard a card with manaSet: International Collectors' Edition Type: Artifact Rarity: Rare Cost: {3} {3}, {T}: Target player discards a card. Activate only during your turn.