Necrogen Mists [Mirrodin]

Necrogen Mists [Mirrodin]Set: Mirrodin Type: Enchantment Rarity: Rare Cost: {2}{B} At the beginning of each player's upkeep, that player discards a card. Mephidross filled with roars of fury and wails of despair as the leonin fought to keep their memories from being pulled into the mists.

Set: Shadows over Innistrad Type: Artifact — Equipment Rarity: Uncommon Cost: {4} Equipped creature gets +2/+2

"The flow is diverted

Set: Classic Sixth Edition Type: Creature — Bird Rarity: Common Cost: {1}{W} Flying

Set: Collectors' Edition Type: Enchantment Rarity: Rare Cost: {1}{W} If you would draw a card during your draw step

Set: Platinum: Arceus Type: Metal Rarity: Rare Retreat cost: Colorless

Set: Urza's Destiny Type: Sorcery Rarity: Uncommon Cost: {R} Sacrifice any number of Mountains

Set: Modern Horizons 2 Prerelease Promos Type: Creature — Elemental Incarnation Rarity: Mythic Cost: {2}{U}{U} Flash

When a graveyard is full

Cold Snap deals damage to that player equal to the number of snow lands they control

If you would get one or more counters

Set: Alpha Edition Type: Artifact Rarity: Rare Cost: {0} {T}: Add {U}

Set: Avacyn Restored Type: Instant Rarity: Common Cost: {X}{B} Target creature gets -X/-X until end of turn