Shuffleupagus

Eminence — Whenever a player shuffles their library, if Shuffleupagus is in the command zone
or on the battlefield, you gain a shuffle counter.
Shuffleupagus power and toughness are equal to
the number of shuffle counters you have.
{u}, remove a Shuffle counter: Shuffleupagus
gains shroud until end of turn.
{g}, remove a Shuffle counter: Shuffleupagus
gains trample until end of turn.