Energy Flux [Antiquities]Set: Antiquities Type: Enchantment Rarity: Uncommon Cost: {2}{U} All artifacts have "At the beginning of your upkeep, sacrifice this artifact unless you pay {2}."

Spend this mana only to cast artifact spells

Thanks to the city's sprawl

Set: Scars of Mirrodin Type: Artifact Creature — Golem Rarity: Mythic Cost: {8} Your life total can't change

where X is 2 plus the sacrificed creature's mana value

Squirrel creatures get +1/+1

Who then would be left to worship me

Though long held captive beneath Volrath's stronghold

Set: Time Spiral Timeshifted Type: Legendary Creature — Angel Rarity: Rare Cost: {5}{W}{W}{W} Flying

Set: Alpha Edition Type: Artifact Rarity: Rare Cost: {2} {1}

Set: Eternal Masters Type: Sorcery Rarity: Rare Cost: {X}{G} Search your library for a green creature card with converted mana cost X or less

Rampaging Ferocidon deals 1 damage to that creature's controller

*Richard III*