mtg crimson vow top cards / Innistrad that creatures controller may play that card and they may spend mana as though it were mana of any color to cast that spell. MTG Curse of Hospitality Innistrad:

Because while dollar value might be a predictor of in-game impact, its certainly not a prerequisite

And it helps make space for new cards that you're interested in

You may put it into your graveyard.) , , Sacrifice Lunatic Pandora: Destroy target nonland permanent

If your commander dies, you can pay life instead of commander tax, so recasting it isnt a big deal

This is an Aristocrats leader or 99, as well as a leader of that kindred types, and since it makes one, that's pretty strong from where I am sitting

That ability to turn mana into inevitability is exactly why she remains one of the best planeswalkers in MTG for mono-green , and Forest-heavy builds, even years after release