Xiahou Dun, the One-Eyed [Portal Three Kingdoms] Future you may reveal the top

you may reveal the top four cards of your library

Set: Magic Player Rewards 2001 Type: Token Creature — Elephant Rarity: Common It's not slow

Then they exile it

The relic's purpose

Set: Invasion Type: Sorcery Rarity: Rare Cost: {1}{B} Separate all creatures target player controls into two piles

Xiahou Dun, the One-Eyed [Portal Three Kingdoms] Future you may reveal the topSet: Portal Three Kingdoms Type: Legendary Creature Human Soldier Rarity: Rare Cost: {2}{B}{B} Horsemanship (This creature can't be blocked except by creatures with horsemanship.) Sacrifice Xiahou Dun, the One Eyed: Return target black card from your graveyard to your hand. Activate only during your turn, before attackers are declared.