mtg mimeoplasm commander deck The it enters the battlefield as a copy of one of those cards with a number of additional +1/+1 counters on it equal to the power of the other card. What style Mimeoplasm deck would

Sacrifice after III.) I Put a +1/+1 counter on up to one target creature

Its an ability doubler for abilities that trigger from casting spells, which includes prowess, magecraft, and anything else that says when you cast an instant/sorcery. I like that this plays an aggressive game plan but still feels very much Izzet, leaning into prowess and spellcasting to get the game over with

Activate only once

Even better, the children excitedly running up and knight in the midground clearly indicate the arrival of someone

If the player is facing off against someone who doesn't use many items or actions, this card can also simply be inked so that others may be used instead, and therefore, is a good defensive card to have in the deck

But, I believe Niv-Mizzet Reborn will continue to rise in popularity, especially when EDH circles start to focus and brew again, and I wouldn't be surprised if he eventually dethroned Feather for most popular War of the Spark general