Captain Kathryn Janeway without a -1/-1 counter on it).
Notable Prerequisites
The top card of your library is a nonland card.
Steps
Activate
Goblin Bombardment by sacrificing
Captain Kathryn Janeway.
When
Captain Kathryn Janeway dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it.
When
Captain Kathryn Janeway enters, it triggers, revealing the top card of your library, putting the card back on top of your library, and then putting a +1/+1 counter on
Captain Kathryn Janeway.
Resolve the
Goblin Bombardment ability.
Repeat.
Results
Infinite creature ETB.
Infinite creature LTB.
Infinite damage.
Infinite death triggers.
Infinite creature sacrifice triggers.
Metadata
Bracket tag
ExhibitionBracket 1+
For any deck
1
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3
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5
1 · Exhibition5 · cEDH
Bracket tags are estimated from the cards and results of each combo, as a guideline rather than a strict classification.