Combat Celebrant [Amonkhet Promos] Kaladesh Inventions Set: Grand Prix Promos Type:

Set: Grand Prix Promos Type: Legendary Creature — Demon Mythic Cost: {4}{B}{B}{B}{B} Flying

If you sacrifice an Island this way

Set: Commander's Arsenal Type: Enchantment Rarity: Rare Cost: {3}{G}{W} Creatures you control get +1/+1

{T}: Take an extra turn after this one

Though he eventually came to despise Tocasia

Combat Celebrant [Amonkhet Promos] Kaladesh Inventions Set: Grand Prix Promos Type:Set: Amonkhet Promos Type: Creature Human Warrior Mythic Cost: {2}{R} If Combat Celebrant hasn't been exerted this turn, you may exert it as it attacks. When you do, untap all other creatures you control and after this phase, there is an additional combat phase. (An exerted creature won't untap during your next untap step.)