Unmask [Mercadian Masques]Set: Mercadian Masques Type: Sorcery Rarity: Rare Cost: {3}{B} You may exile a black card from your hand rather than pay this spell's mana cost. Target player reveals their hand. You choose a nonland card from it. That player discards that card.

Set: HeartGold & SoulSilver: Black Star Promos Type: Water Rarity: Black Star Promo Retreat cost: Colorless

"Look to the north

The cave floods with light

All Mountains are Plains

Set: Sword & Shield: Rebel Clash Type: Lightning Rarity: Secret Rare Retreat cost: Colorless

"Thorn bushes spring up wherever the army has passed

put those cards into your hand

Set: XY: Base Set Type: Darkness Rarity: Ultra Rare Retreat cost: Colorless

search your library for a permanent card

Set: EX: Holon Phantoms Type: Colorless Rarity: Uncommon Retreat cost: Colorless

For each 4 Copper

Set: Sun & Moon: Burning Shadows Type: Fighting Rarity: Ultra Rare Retreat cost: Colorless