Donald, Royal Magician

Spells you cast from exile cost {1} less.
If you control at least another white and another
green creature, the first spell you cast from exile
each turn costs {0}.
{1}{u}, Discard a card: Exile the top two cards of
your library. Until end turn, you may play those
cards.
Trinity (This creature can be run as a commander
with two other trinity creatures who do not share
a color)