(: Add or to your mana pool.)
Graven Coliseum enters the battlefield tapped.
, : Target red creature gets +1/+0 until end of turn.
, : Draw a card, then discard a card.
: Add 
or 
to your mana pool.), : Target red creature gets +1/+0 until end of turn.
, : Draw a card, then discard a card.
