Activate Goblin Bombardment by sacrificing Coral Trickster.
When Coral Trickster dies, Missy's first ability triggers, returning Coral Trickster from your graveyard to the battlefield face down as a 2/2 Cyberman artifact creature.
Resolve the Goblin Bombardment ability, dealing 1 damage to any target.
Activate a mana-producing permanent by tapping it, adding at least {U}.
Activate Coral Trickster's morph ability by paying {U}, turning it face up.
Coral Trickster triggers, untapping target permanent.
Repeat.

Infinite damage

Infinite death triggers

Infinite creature ETB

Infinite creature LTB

Infinite creature sacrifice triggers

Missy

Goblin Bombardment

Coral Trickster

Activate Ashnod's Altar by sacrificing Coral Trickster, adding {C}{C}.
When Coral Trickster dies, Missy's first ability triggers, returning Coral Trickster from your graveyard to the battlefield face down as a 2/2 Cyberman artifact creature.
Activate a mana-producing permanent by tapping it, adding at least {U}.
Activate Coral Trickster's morph ability by paying {U}, turning it face up.
Coral Trickster triggers, untapping target permanent.
Repeat.

Infinite colorless mana

Ashnod's Altar

Activate Viscera Seer by sacrificing Coral Trickster..
When Coral Trickster dies, Missy's first ability triggers, returning Coral Trickster from your graveyard to the battlefield face down as a 2/2 Cyberman artifact creature.
Resolve the Viscera Seer ability, causing you to scry 1.
Activate a mana-producing permanent by tapping it, adding at least {U}.
Activate Coral Trickster's morph ability by paying {U}, turning it face up.
Coral Trickster triggers, untapping target permanent.
Repeat.

Infinite scry 1

Viscera Seer

Activate Phyrexian Altar by sacrificing Coral Trickster, adding {U}.
When Coral Trickster dies, Missy's first ability triggers, returning Coral Trickster from your graveyard to the battlefield face down as a 2/2 Cyberman artifact creature.
Activate Coral Trickster's morph ability by paying {U}, turning it face up.
Coral Trickster triggers, untapping target permanent.
Repeat.

Infinite mana permanents you control can produce

Phyrexian Altar

Activate Carrion Feeder by sacrificing Coral Trickster.
When Coral Trickster dies, Missy's first ability triggers, returning Coral Trickster from your graveyard to the battlefield face down as a 2/2 Cyberman artifact creature.
Resolve the Carrion Feeder ability, putting a +1/+1 counter on it.
Activate a mana-producing permanent by tapping it, adding at least {U}.
Activate Coral Trickster's morph ability by paying {U}, turning it face up.
Coral Trickster triggers, untapping target permanent.
Repeat.

Infinite +1/+1 counters on a creature

Carrion Feeder

Activate Altar of Dementia by sacrificing Coral Trickster.
When Coral Trickster dies, Missy's first ability triggers, returning Coral Trickster from your graveyard to the battlefield face down as a 2/2 Cyberman artifact creature.
Resolve the Altar of Dementia ability, causing target player to mill cards equal to Coral Trickster's power.
Activate a mana-producing permanent by tapping it, adding at least {U}.
Activate Coral Trickster's morph ability by paying {U}, turning it face up.
Coral Trickster triggers, untapping target permanent.
Repeat.

Infinite mill

Infinite self-mill

Altar of Dementia

Activate Blasting Station by tapping it and sacrificing Coral Trickster.
When Coral Trickster dies, Missy's first ability triggers, returning Coral Trickster from your graveyard to the battlefield face down as a 2/2 Cyberman artifact creature.
When Coral Trickster enters the battlefield, Blasting Station triggers, untapping Blasting Station.
Resolve the Blasting Station ability from step 1, dealing 1 damage to any target.
Activate a mana-producing permanent by tapping it, adding at least {U}.
Activate Coral Trickster's morph ability by paying {U}, turning it face up.
Coral Trickster triggers, untapping target permanent.
Repeat.

Blasting Station

Activate Thermopod's second ability by sacrificing Coral Trickster, adding {R}.
When Coral Trickster dies, Missy's first ability triggers, returning Coral Trickster from your graveyard to the battlefield face down as a 2/2 Cyberman artifact creature.
Activate a mana-producing permanent by tapping it, adding at least {U}.
Activate Coral Trickster's morph ability by paying {U}, turning it face up.
Coral Trickster triggers, untapping target permanent.
Repeat.

Infinite red mana

Thermopod

Activate Phyrexian Altar by sacrificing Coral Trickster, adding {U}.
When Coral Trickster dies, Yedora triggers, returning Coral Trickster from your graveyard to the battlefield face down as a Forest land.
Activate Coral Trickster by tapping it, adding {G}.
Activate Coral Trickster's morph ability by paying {U}, turning it face up.
Coral Trickster triggers, tapping or untapping target permanent.
Repeat.

Combos with "Coral Trickster"