Infinite ETB, Infinite LTB, Infinite damage, Infinite death triggers, Infinite sacrifice triggers
Activate Blasting Station by tapping it and sacrificing Gnarlback Elm.
When Gnarlback Elm dies, its undying ability triggers, returning it from your graveyard to the battlefield without a +1/+1 counter on it due to its replacement effect.
When Gnarlback Elm enters, Blasting Station triggers, untapping Blasting Station.
Resolve the Blasting Station ability from step 1
Repeat.
Component Cards
How It Works
Activate Blasting Station by tapping it and sacrificing Gnarlback Elm.
When Gnarlback Elm dies, its undying ability triggers, returning it from your graveyard to the battlefield without a +1/+1 counter on it due to its replacement effect.
When Gnarlback Elm enters, Blasting Station triggers, untapping Blasting Station.
Resolve the Blasting Station ability from step 1
Repeat.