Armageddon Clock [Antiquities] 045 you can pay 500 Life

you can pay 500 Life Points instead

Set: 2014 Mega-Tins Mega Pack Card type: Effect Monster Rarity: Ultra Rare Attack: 2000 Defense: 1500 You can Tribute 3 monsters or 1 "Gravekeeper's" monster to Tribute Summon (but not Set) this card

Goblins Type: Creature — Goblin Mutant Rarity: Uncommon Cost: {2}{R} {7}{R}: Flamewave Invoker deals 5 damage to target player or planeswalker

/ And revery

Armageddon Clock [Antiquities] 045 you can pay 500 LifeSet: Antiquities Type: Artifact Rarity: Uncommon Cost: {6} At the beginning of your upkeep, put a doom counter on Armageddon Clock. At the beginning of your draw step, Armageddon Clock deals damage equal to the number of doom counters on it to each player. {4}: Remove a doom counter from Armageddon Clock. Any player may activate this ability but only during any upkeep step.