Treebeard, Gracious Host
Scurry Oak
Leyline of Vitality

   Prerequisites

What do I need to start this combo?
All permanents on the battlefield.
You have a way to gain life.

   Steps

How does this combo work?
1
Gain life.
2
Treebeard's second ability triggers, putting that many +1/+1 counters on Scurry Oak.
3
Scurry Oak triggers, creating a 1/1 Squirrel creature token.
4
When the Squirrel enters the battlefield, Leyline of Vitality triggers, causing you to gain life.
5
Repeat from step 2.

   Results

What do I get from this combo?
Infinite +1/+1 counters on a creature
Infinite ETB
Infinite creature tokens
Infinite lifegain
Infinite lifegain triggers
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