Foil and Rarity Variations Explore holo, rainbow rare, vintage print, chibi, dark-type, or tournament-card looks without rebuilding the card from scratch
These creatures get bigger as you use them to mill, which means theyll mill more
At such a low cost, Wrenn and Six does so much out of the gate, and this isn't even including her game-breaking ultimate, which gives all your instant and sorcery spells retrace
Those who are here for battling and not collecting may not think much about this feature, but it costs absolutely nothing to do and, if shared publicly, can earn you rewards
Color Identity: This is the most crucial deckbuilding constraint
For competitive, the most useful cards are probably Leaf and Mew Ex, maybe Serperior and Celebi Ex if they ever become meta again, but not much else