Nemesis Mask [Darksteel]

Nemesis Mask [Darksteel]Set: Darksteel Type: Artifact Equipment Rarity: Uncommon Cost: {3} All creatures able to block equipped creature do so. Equip {3} ({3}: Attach to target creature you control. Equip only as a sorcery. This card enters the battlefield unattached and stays on the battlefield if the creature leaves.)

Set: XY: Generations Type: Fire Rarity: Ultra Rare Retreat cost: Colorless

Set: Happy Holidays Type: Enchantment Rarity: Mythic Cost: {2}{U}{U} At the beginning of your upkeep

Set: From the Vault: Twenty Type: Artifact Rarity: Mythic Cost: {3} Fading 4 (This artifact enters the battlefield with four fade counters on it

Set: Sword & Shield: Fusion Strike Type: Psychic Rarity: Ultra Rare Retreat cost: 0

(They can't be blocked as long as defending player controls a Forest

Prevent the next X arcane damage that would be dealt to you this turn

Set: Sword & Shield: Black Star Promos Type: Psychic Rarity: Promo Retreat cost: 1

After the destruction of Argoth

When Thought-Knot Seer enters the battlefield

Set: Beta Edition Type: Instant Rarity: Common Cost: {G} Target creature gets +3/+3 until end of turn

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

Set: Legends Type: World Enchantment Rarity: Rare Cost: {G} Players play with their hands revealed