When Tranquil Shoal enters the battlefield, sacrifice it unless you pay .
: Add or to your mana pool.
Sacrifice Tranquil Shoal: Add or to your mana pool.
, : Target Angel gets +1/+1 until end of turn.
.
: Add or 
to your mana pool. or to your mana pool., : Target Angel gets +1/+1 until end of turn.
