Stone Giant [Alpha Edition] Lightning Overdrive you can pay 500 Life

you can pay 500 Life Points

using their libraries as their decks

Set: Rise of Destiny Card type: Spell Card Rarity: Ultimate Rare Select 1 Machine-Type monster with an ATK of 500 or less on your side of the field and activate this card

Monsters used for a Tribute Summon or that are offered as Tributes due to other card's effects are excluded

Stone Giant [Alpha Edition] Lightning Overdrive you can pay 500 LifeSet: Alpha Edition Type: Creature Giant Rarity: Uncommon Cost: {2}{R}{R} {T}: Target creature you control with toughness less than Stone Giant's power gains flying until end of turn. Destroy that creature at the beginning of the next end step. What goes up, must come down.