The Omnichronal Perceptionist

You may pay {w}{u}{b}{r}{g} to cast this spell.
This spell is all colors.
Quantum (Whenever you cast a spell, if it asks you
to choose, you may instead choose one or more.)
Whenever The Omnichronal Perceptionist
becomes a target of a spell, create a token copy
of The Omnichronal Perceptionist.
Whenever you play a multicoloured spell, you
may draw a card then discard a card.