Tibalt's Trickery [Kaldheim] Vampire Knight where X is that spell's

where X is that spell's mana value

if The Ozolith has counters on it

Set: Urza's Saga Type: Enchantment Rarity: Uncommon Cost: {G} At the beginning of each of your main phases

Set: Summer Magic / Edgar Type: Instant Rarity: Common Cost: {1}{R} Destroy target artifact

annihilating and consuming their foes in a frenzied holocaust

Tibalt's Trickery [Kaldheim] Vampire Knight where X is that spell'sSet: Kaldheim Type: Instant Rarity: Rare Cost: {1}{R} Counter target spell. Choose 1, 2, or 3 at random. Its controller mills that many cards, then exiles cards from the top of their library until they exile a nonland card with a different name than that spell. They may cast that card without paying its mana cost. Then they put the exiled cards on the bottom of their library in a random order.