You control another creature that has at least one +1/+1 counter on it.
Mana Needed
available.
Steps
Activate
Zameck Guildmage's first ability by paying , causing each creature you control to enter the battlefield with a +1/+1 counter on it this turn.
Activate another creature you control that has a +1/+1 counter on it by exiling it, creating a 1/1 Human creature token that enters the battlefield with a +1/+1 counter on it due to Renata.
Repeat step 2 using the Human token instead.
Results
Infinite creature ETB.
Infinite creature LTB.
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.