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As for Mars, shes more of a catch-up mechanic
If you get handed a bear after gathering all 8, you have every right to cry
I love chucking a bunch of Fleshbag Marauder variants into the deck to grow Carmen and control the board
Also it is worth noting that it was a 9x11 sheet, most later WOTC holos sheets contain 10x11 cards and more modern holos sheets contain 11x11 cards
Sure, we can house-rule anything, but players want this Otter in their lives and at the head of their Commander decks