Ubbo-Sathla, The Demiurge

At the start of your upkeep you may remove any
number of counters on this creature and put the
same number of +1/+1 counters on it.
0: Move all counters in play on this creature.
When Ubbo-Sathla go in a graveyard from
anywhere, reshuffle it back in the owner library.
The Unbegotten Source