You control a creature token that has base power or toughness that is greater than
Sharp-Eyed Rookie's power or toughness.
You control a permanent that has a counter on it.
Steps
Activate
Xavier Sal's first ability by tapping it and removing a counter from a permanent you control, creating a copy of another creature token with base power or toughness that is greater than
Sharp-Eyed Rookie's power or toughness.
When the Wolf token enters the battlefield,
Intruder Alarm and
Sharp-Eyed Rookie trigger.
Resolve the
Intruder Alarm trigger, untapping all creatures.
Resolve the
Sharp-Eyed Rookie trigger, putting a +1/+1 counter on it and creating a Clue artifact token.
Repeat.
Results
Infinite artifact tokens.
Infinite Clue tokens.
Infinite creature tokens.
Infinite creature ETB.
Infinite mana creatures you control can produce.
Infinite untap of creatures.
Metadata
Bracket tag
ExhibitionBracket 1+
For any deck
1
2
3
4
5
1 · Exhibition5 · cEDH
Bracket tags are estimated from the cards and results of each combo, as a guideline rather than a strict classification.