When Rootbound Pools enters the battlefield, sacrifice it unless you pay .
: Add or to your mana pool.
Sacrifice Rootbound Pools: Add or to your mana pool.
, Sacrifice Rootbound Pools: Target creature gets +2/+2 until end of turn.
.
: Add 
or to your mana pool. or to your mana pool., Sacrifice Rootbound Pools: Target creature gets +2/+2 until end of turn.
