one piece card game p-041 Monkey D. Luffy Promo “ONE PIECE EMOTION EXHIBITION” | Japanese Edition Captured in a crystal [JPN] Gear Five Monkey. D.

To determine a spell's total cost, start with the mana cost (or an alternative cost if another card's effect allows you to pay one instead), add any cost increases (such as kicker), then apply any cost reductions

But running Thrun as a commander prevents you from getting any global effects that could be helpful in combination with the rest of your deck

Wind Dancer Rarity: Uncommon TYPE: Creature SUBTYPE: Faerie CMC: 2 Mana cost: USD: $0.23 EUR: 0.14 TIX: 0.09 EDHREC RANK: 26573 (1/1) Flying : Target creature gains flying until end of turn

Nope, you cannot regenerate a creature that is exiled because the creature was not destroyed