Card that Makes a Land Creature with a +1/+1 Counter
Initial Card State
Card that Makes a Land Creature with a +1/+1 Counter in hand or on the battlefield.
All other permanents on the battlefield.
Easy Prerequisites
Experiment Kraj does not have summoning sickness.
Gilder Bairn has at least one +1/+1 counter on it.
You control a land that can add ({G} magic symbol) or ({U} magic symbol) .
Mana Needed
({0} magic symbol) plus enough to animate the land available.
Steps
Use any of the listed land animators to turn a land that can produce ({G} magic symbol) or ({U} magic symbol) into a land creature and put at least one +1/+1 counter on it.
Activate
Experiment Kraj using that land's ability by tapping it, adding ({GU} magic symbol) .
Activate
Experiment Kraj using
Gilder Bairn's ability by paying ({GU} magic symbol) and untapping it, doubling the counters on target permanent.
Repeat from step 2.
Results
Infinite proliferate for permanents.
Metadata
In 473 decks according to EDHREC.
Bracket Tag
This combo has been estimated to be Exhibition (Bracket 1+).