(: Add or to your mana pool.)
Centaur Watchtower enters the battlefield tapped unless you pay 2 life.
, : You gain 2 life.
, : Target blocking creature gets +0/+1 until end of turn.
: Add 
or 
to your mana pool.)
, : You gain 2 life., : Target blocking creature gets +0/+1 until end of turn.
