Grandma Dragon

Flying, Defender, Hexproof
All creatures cost {2} less for you to cast.
Grandma Dragon may block 2 attacking creatures.
{w}:White creatures cost {2} less to cast this turn.
{u}: Blue creatures cost {2} less to cast this turn.
{r}: Red creatures cost {2} less to cast this turn.
{g}: Green creatures cost {2} less to cast this turn.
"She was a kind old Dragon, loved by everyone, and trifled with only by fools."