Players can't get counters.
Counters can't be placed on artifacts, creatures, enchantments, or lands.
At 3CC this card is not playable as a hate piece (no matter how amusingly it interacts with Ravager Shops) but it is comboriffic enough to merit some discussion.
It instantly triggers Dark Depths and lets Thing in the Ice flip after one spell. Cumulative upkeep costs are waived---free permanent Remora or Glacial Chasm. There are a ton of color hosers with cumulative upkeep too. Undying and Persist creatures are immortal.