(2022-12-08) You can tap any untapped artifact you control to pay the cost of the mana ability, including an artifact creature you haven't controlled continuously since the beginning of your most recent turn
Paleo Pines Most of us had a dinosaur phase at some point, where we hyperfixated on the mighty beasts of the Triassic and Jurassic periods, were obsessed with learning about how they lived, hunted, foraged, and how we learn about them today
You don't have to (and, in fact, can't) sacrifice another creature
It has no ongoing costs to use and it has a potentially limitless use
Secondary to that, however, I just think this is a bloody clever idea
The pull rate for these cards is lower than standard cards, but part of the thrill of obtaining them comes from their rarity