Rin Akumoria, Fighter

You may discard cards from your hand to cover
mana costs for this card.
(Discarding a R-B card will count as Red and
Blue mana)
While this card is under your control, all
creatures cost {1} less to cast.
While this card is under your control, all
creatures you control gain +1/+1 whenever
a creature dies or is sacrificed.
If this card deals combat damage to another
player, transform it.