Cryptolith Rite
Ant Queen
Kaya, Geist Hunter
Concordant Crossroads

   Prerequisites

What do I need to start this combo?
All permanents on the battlefield.
Kaya has at least two loyalty counters on it.

   Steps

How does this combo work?
1
Activate Kaya's second loyalty ability by removing two loyalty counters from it, causing you to double any tokens you create this turn.
2
Activate Ant Queen by paying 1, creating two 1/1 Insect creature tokens.
3
Activate two Insects by tapping them, adding 1.
4
Repeat from step 2.

   Results

What do I get from this combo?
Infinite ETB
Infinite tapped creature tokens