Call of the Herd (Grand Prix) [Grand Prix Promos] Juggernaut when he became Wu's supreme

when he became Wu's supreme commander

Set: Duels of the Planeswalkers Type: Creature — Elemental Incarnation Rarity: Rare Cost: {3}{G}{G}{G} Trample

Set: Duel Decks Anthology Type: Legendary Planeswalker — Chandra Rarity: Mythic Cost: {3}{R}{R} +1: Chandra Nalaar deals 1 damage to target player or planeswalker

Then that player loses all unspent mana and you add the mana lost this way

At the beginning of your postcombat main phase

Call of the Herd (Grand Prix) [Grand Prix Promos] Juggernaut when he became Wu's supremeSet: Grand Prix Promos Type: Sorcery Rarity: Rare Cost: {2}{G} Create a 3 3 green Elephant creature token. Flashback {3}{G} (You may cast this card from your graveyard for its flashback cost. Then exile it.)