Ironclad Revolutionary [Aether Revolt]

Ironclad Revolutionary [Aether Revolt]Set: Aether Revolt Type: Creature Aetherborn Artificer Rarity: Uncommon Cost: {4}{B}{B} When Ironclad Revolutionary enters the battlefield, you may sacrifice an artifact. If you do, put two +1 +1 counters on Ironclad Revolutionary and each opponent loses 2 life. As the rebellion spread, renegade ingenuity outpaced the Consulate's greatest fears.

where X is the result

a fierce guardian when you need one

Whenever enchanted creature deals combat damage to an opponent

except it has "{U}{B}

you may look at the top card of your library

Set: Magic 2011 Type: Creature — Human Wizard Rarity: Uncommon Cost: {2}{R} {T}: Prodigal Pyromancer deals 1 damage to any target

Set: Magic 2012 Type: Creature — Spider Rarity: Uncommon Cost: {4}{G} Reach

Nyxathid gets -1/-1 for each card in the chosen player's hand

Set: Core Set 2019 Type: Creature — Human Wizard Rarity: Rare Cost: {1}{U} {3}{U}{U}: Draw two cards

Fevered Visions deals 2 damage to that player

filling cracks quickly and efficiently

Set: Beatdown Type: Enchantment — Aura Rarity: Common Cost: {G} Enchant land