At the beginning of your upkeep, Battlefield Rainforest deals 2 damage to target creature you control.
: Add or to your mana pool.
Sacrifice Battlefield Rainforest: Add or to your mana pool.
Cycling (, Discard this card: Draw a card.)
: Add 
or 
to your mana pool. or to your mana pool.
(, Discard this card: Draw a card.)
