mtg card ability rules A magic corner of the Universe: Mana abilities and Caged Sun mtg cards that reduce activated

Zimone powers up when you cast a spell with X in the mana value, and then reduces the cost of X spells later by the number of counters on her

I do like what Talisman bring to the archetype however you have to be careful to not play too many of that sort of thing

Removing an artifact or creature, even temporarily, provides a powerful boost, if only because you get in an extra attack or two

In 2024, White has gone from having none of these 'you can have any number of them in your deck' creatures to having two

Or hey, just pay the white and four generic mana, and ultimate away one planeswalker from another ones loyalty stash

Karn, the Great Creator