Then you can cast this by removing counters from your stuff
Do note the oracle text, though, as it only works until the end of the turn, not forever, so you can prevent the next damage dealt by a red or black source
Ive even used elves like Birchlore Rangers to hard-cast Atraxa, which is emminently doable at seven mana
A well-timed Rivers Rebuke can achieve a similar result against the most threatening player for a fraction of the price.
This card was an absolute menace before being banned in Commander late 2024
However, even now, we can see which cards seem to be the best pulls in the packs, and get a rough idea of just how special these beautiful cards are