Inferno of the Star Mounts (Showcase) [Secret Lair Drop Series] RC28 there's an additional combat phase

there's an additional combat phase after this phase

Activate only if you control a Sliver

Set: Alpha Edition Type: Basic Land — Plains Rarity: Common ({T}: Add {W}

Set: Collectors' Edition Type: Creature — Human Assassin Rarity: Rare Cost: {1}{B}{B} {T}: Destroy target tapped creature

Set: Zendikar Rising Type: Legendary Artifact Rarity: Mythic Cost: {5} Colorless creatures you control get +2/+2

Inferno of the Star Mounts (Showcase) [Secret Lair Drop Series] RC28 there's an additional combat phaseSet: Secret Lair Drop Series Type: Legendary Creature Dragon Rarity: Mythic Cost: {4}{R}{R} This spell can't be countered. Flying, haste {R}: Inferno of the Star Mounts gets +1 +0 until end of turn. When its power becomes 20 this way, it deals 20 damage to any target.