In this challenge, the AI will start the duel with several ship in play. Higher difficulties will result in more and bigger ships. The combination of the races of the challenge and the chosen deck will determine which ships are in play. Each race has a pool of possible ships from which the game will pick randomly.

The ambush challenge divides ships in 3 sizes : very small (VS), small (S) and medium (M).

Human

• VS : 50% Vector, 25% Flare Chaser, 25% Tarogi
• S : 50% Nagato, 25% Vulture, 25% Venom
• M : 75% Akata, 25% Firewing

Ca'anian

• VS : 50% Assault Dorgan, 50% Crystal Dorgan
• S : 75% Thogrom Bomber, 25% Plasma Screen
• M : 50% Guardian, 50% Darkwing

Xyloxi

• VS : 75% Spark, 25% Nebula Scout
• S : 50% Emerald Xyloxi, 50% Sapphire Xyloxi
• M : 50%Crystal Nagato, 25% Emerald Xyloxi, 25% Sapphire Xyloxi

Caes'cix

• VS : 50% Salvager, 50% Support Drone
• S : 50% Trasher, 25% Cerberus Drone, 25% Soldier Drone
• M : 50% Wild Berserker, 25% Cerberus Drone, 25% Soldier Drone

Rivi'i

• VS : 50% Cargoship, 50% Fuel Tanker
• S : 50% Shield Frigate, 50% Artillery Frigate
• M : 75% Battlecruiser, 25% Support Carrier

Mith'ri'aeil

• VS : 50% Energy Leech, 50% Mutating Vector
• S : 75% Adaptomotph, 25% Mutating Vector
• M : 100% Negator

Technomancer

• VS : 50% Data Node, 50% Ethereal Fighter
• S : 50% Attack Barrier, 50% Mirror Shield
• M : 50% Echo Image, 50% Shimmering Ghost

Rift Demon

• VS : 25% Lesser Solar Demon, 25% Lesser Fusion Demon, 50% Lesser Chaos Demon
• S : 50% Lesser Solar Demon, 50% Lesser Fusion Demon
• M : 25% Solar Demon, 25% Dark Demon, 25% Grav Demon, 25% Fusion Demon

Difficulty determines how many ships of each of the sizes will be present.

Easy : 1 VS ship of the challenge race and 1 VS of the race of the chosen deck.
Normal : same as easy, but with one extra S ship of the challenge race.
Elite : same as easy, but with one extra M ship of the challenge race.
Legendary : same as elite, but with one extra S ship of the race of the chosen deck.