Phineas Flynn, Boy Genius

Partner with Ferb Fletcher, Silent Prodigy (When
Phineas enters the battlefield, target player may put
Ferb into their hand from their library, then shuffle.)
Imprint —When Phineas enters the battlefield,
you may exile an artifact card from your hand.
{x}: Put a token that's a copy of the exiled card
onto the battlefield. X is equal to the converted
mana cost of the card minus 1. This ability can
not reduce X to less than 1. Activate this
ability only if you control a creature