Echo {3}{G}{G} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.) When Deranged Hermit enters the battlefield, create four 1/1 green Squirrel creature tokens. Squirrel creatures get +1/+1.

Whenever another green creature enters the battlefield under your control, put a +1/+1 counter on target creature.

Reach Scurrid Colony gets +2/+2 as long as you control eight or more lands.

Evolve (Whenever a creature enters the battlefield under your control, if that creature has greater power or toughness than this creature, put a +1/+1 counter on this creature.) Whenever one or more +1/+1 counters are put on Scurry Oak, you may create a 1/1 green Squirrel creature token.

Squirrel Mob gets +1/+1 for each other Squirrel on the battlefield.

Other Squirrels you control get +1/+1.