Dragon Arch

{5} · Artifact

{2}, {T}: You may put a multicolored creature card from your hand onto the battlefield.

Motor: se resuelve a mano

Rulings (2)

Putting the card onto the battlefield is optional. When the ability resolves, you can choose not to.
Wizards of the Coast · 2007-05-01
A multicolored card has more than one color in its mana cost.
Wizards of the Coast · 2004-10-04