Being able to pay for Remand with mana from a Signet helped a lot, as did the cantrip clause, ensuring your expenditure of a card was also temporary
Needing to tap the land to get counters makes its mana fixing ability slow and makes you give up the mana you would otherwise use the land for, but being able to cash them in for cards later makes this enchantment worthwhile
But if youre building a Standard gauntlet right now, those are the major decks youll be trying to beat
Grixis Slavedriver Grixis Slavedriver isn't good enough for a 6-drop
Artifact Kindred Payoffs (CTRL to add secondary) Land Land (CTRL to add secondary) One-Shot Discard Aclazotz, Deepest Betrayal Flying, lifelink Whenever Aclazotz attacks, each opponent discards a card
Id expect Kurkesh to stay above bulk prices based on potential alone, and this has the profile of a $4-$5 card long term if it isnt reprinted