Entei (HGSS20) [HeartGold & SoulSilver: Black Star Promos] Duels of the Planeswalkers Promos 2012 there is an additional combat

there is an additional combat phase followed by an additional main phase

Set: EX: Team Rocket Returns Type: Fighting Rarity: Holo Rare Retreat cost: Colorless

Set: Mirrodin Type: Creature — Human Wizard Rarity: Rare Cost: {1}{U}{U} At the beginning of each opponent's upkeep

but as dangerous as the finished blade

Set: Portal Three Kingdoms Type: Sorcery Rarity: Uncommon Cost: {2}{R} Target opponent chooses a creature they control

Entei (HGSS20) [HeartGold & SoulSilver: Black Star Promos] Duels of the Planeswalkers Promos 2012 there is an additional combatSet: HeartGold & SoulSilver: Black Star Promos Type: Fire Rarity: Black Star Promo Retreat cost: Colorless