When Meadow Volcano enters the battlefield, sacrifice it unless you pay .
: Add or to your mana pool.
Sacrifice Meadow Volcano: Add or to your mana pool.
, : Target Beast gets +2/+0 until end of turn.
.
: Add 
or to your mana pool. or to your mana pool.
, : Target Beast gets +2/+0 until end of turn.
