The First Sliver [Modern Horizons] Zombie Dragon where X is the number

where X is the number of time counters on As Foretold

If the chosen card is cast as a spell

Set: Duel Decks Anthology Type: Sorcery Rarity: Uncommon Cost: {1}{B} Search your library for a card

Echo {2}{R}{R} (At the beginning of your upkeep

Gravestorm (When you cast this spell

The First Sliver [Modern Horizons] Zombie Dragon where X is the numberSet: Modern Horizons Type: Legendary Creature Sliver Rarity: Mythic Cost: {W}{U}{B}{R}{G} Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom of your library in a random order.) Sliver spells you cast have cascade.