Amatsu, Storm Incarnate

Flying, vigilance, ward: Discard two cards.
All noncreature spells you cast have flash and
cost {1} less to cast for each noncreature spell
cast this turn.
Whenever Amatsu, Storm Incarnate attacks, you
may play noncreature spells from any graveyard
using any color of mana to cast it.
Whenever a creature becomes taped, you may
draw a card and add {w}{u}{r}.
{t}: Add {1}{w}{u}{r}. Use this only to cast
noncreature spells.