The most recent are the mechanics present in Alchemy sets on MTG Arena
This is especially useful for the buyback feature, where you can sell cards back to Packz based on their current market value
It would be a good idea at first to try and include at least one offensive Ink and one support Ink so that the deck is balanced
So if a favourite, but expensive, card is in a set that is unlikely to see a remaster, then you have hope it sides into a different one
in this instance, its card 271 of 264), shows that its a tougher card to pull from packs, and so scarcity also raises its value
Then, when the creature enters the battlefield, you create a token copy of that creature for each time its Squad cost was paid