Experiment Kraj
Devoted Druid
Benevolent Hydra

   Prerequisites

What do I need to start this combo?
All permanents on the battlefield.
Experiment Kraj does not have summoning sickness.

   Steps

How does this combo work?
1
Activate Experiment Kraj by tapping it, putting two +1/+1 counters onto Devoted Druid.
2
Activate Experiment Kraj using Devoted Druid's last ability by putting a -1/-1 counter on itself, untapping it.
3
Activate Experiment Kraj's own ability, putting two +1/+1 counters on itself.
4
Remove the -1/-1 counter and one of the +1/+1 counters from Experiment Kraj as a state-based action.
5
Repeat steps 2 through 4 any number of times, resulting in any number of +1/+1 counters on Experiment Kraj.
6
Activate Experiment Kraj using Devoted Druid's last ability by putting a -1/-1 counter on itself, untapping it.
7
Activate Experiment Kraj using Devoted Druid's first ability by tapping it, add .
8
Repeat steps 6 and 7 any number of times.
9
You may also activate Experiment Kraj's own ability any number of times instead of step 7, putting any number of +1/+1 counters onto creatures.

   Results

What do I get from this combo?
Infinite green mana
Infinite +1/+1 counters on creatures you control
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