Some estimates suggest that there could be as few as 10,000 of each holographic card printed
Urborg & Yavimaya Urborg, Tomb of Yawgmoth and Yavimaya, Cradle of Growth are both very good for mana fixing in multicolor decks including either black or green
Youll need to choose carefully after each attack to get the most out of these without granting your opponents too much advantage, but theres explosive potential here when you consider the third ability, and how it applies to all standard damage that turn, since Rankle and Torbran have first strike
Among those is Corporeal Projection, which gives myriad to one creature, or spreads it out to your team with overload
You can also purchase wildcards with real money, if you want or need to simply head to the store and check out the bundles of wildcards on offer