The First Sliver [Modern Horizons] Ultimate Masters Box Topper Set: Seventh Edition Type: Creature

Set: Seventh Edition Type: Creature — Elf Rarity: Rare Cost: {1}{G}{G} Other Elf creatures get +1/+1 and have forestwalk

put a +1/+1 counter on Citanul Druid

Put Seasons Past on the bottom of its owner's library

Set: Betrayers of Kamigawa Type: Instant — Arcane Rarity: Rare Cost: {X}{R}{R} You may exile a red card with mana value X from your hand rather than pay this spell's mana cost

the Raze-Boar attacks

The First Sliver [Modern Horizons] Ultimate Masters Box Topper Set: Seventh Edition Type: CreatureSet: 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.