Chaos Orb [Unlimited Edition] Conspiracy there is an additional combat

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

Set: Kaladesh Promos Type: Legendary Land Rare Cost: At the beginning of your upkeep

Whenever an opponent taps a land for mana

Whenever a Mountain is tapped for mana

Set: Unhinged Type: Artifact Uncommon Cost: {1} {1}: Flip a coin

Chaos Orb [Unlimited Edition] Conspiracy there is an additional combatSet: Unlimited Edition Type: Artifact Rare Cost: {2} {1}, {T}: If Chaos Orb is on the battlefield, flip Chaos Orb onto the battlefield from a height of at least one foot. If Chaos Orb turns over completely at least once during the flip, destroy all nontoken permanents it touches. Then destroy Chaos Orb.