Everythingamajig ("Move a Counter") [Unstable]

2, T: Move a counter from one permanent onto another. If the second permanent refers to any kind of counter, the moved counter becomes one of those counters. Otherwise, it becomes a +1/+1 counter.
3, T: Put a +1/+1 counter on target creature.
4, T: Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)