Xr, Dreams Manifest

Flying, hexproof

Whenever you experiment, target creature you
control becomes an five-color Octopus with flying
and a base power and toughness of 6/6 in addition
to their other types and abilities.

{w}{u}{b}{r}{g}, {t}, discard a card: Place a shield
counter on each creature, then gain control of all creatures until end of turn. They gain haste until
end of turn. Experiment.