mtg commander treasure deck Prosper, Tome-Bound Cards from EXILE Magic Custom each player mills a card MTG: The Best Treasure Token

Then, pay 1 mana to have Volrath become a copy of Gilder Bairn use its untap/pay 3 ability to proliferate counters on Volrath

However, in June 2025 we got an unexpected wave of bans in what WotC called its "mid-year ban announcement" - followed by a single card 'emergency' ban in March 2026

Milling yourself or your opponent is a pretty good effect in the format too

Ursula's Return also broke the mold by centering one of its starter decks entirely around a single universe: Encanto

For a simple five life, you can give it three +1/+1 counters

Three mana for a 1/1 flyer that stuns something is probably already a playable card especially in a format with a Faerie deck and some payoffs for tapping things, so the fact that you also have the option of just playing this on turn one makes this a nice Common One of the downsides with counter magic that gives your opponent the option of paying mana to ignore it is that it gets worse as the game goes longer, but the Faerie upside here helps hedge against that