Corpse Connoisseur [Duel Decks: Sorin vs. Tibalt] Elf Knight if All Hallow's Eve is

if All Hallow's Eve is exiled with a scream counter on it

opportunity is the most valuable

Set: Hour of Devastation Type: Legendary Planeswalker — Samut Rarity: Mythic Cost: {2}{R}{G} +1: Up to one target creature gains double strike until end of turn

Set: Born of the Gods Prerelease Promos Type: Creature — Sphinx Rarity: Rare Cost: {4}{U}{U} Flying

Remove X +1/+1 counters from among creatures you control: Target creature gets -X/-X until end of turn

Corpse Connoisseur [Duel Decks: Sorin vs. Tibalt] Elf Knight if All Hallow's Eve isSet: Duel Decks: Sorin vs. Tibalt Type: Creature Zombie Wizard Rarity: Uncommon Cost: {4}{B} When Corpse Connoisseur enters the battlefield, you may search your library for a creature card, put that card into your graveyard, then shuffle. Unearth {3}{B} ({3}{B}: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)