With experience counters, no matter how many times your opponents get rid of her, when she comes back and survives to your end step, she can still bring back a creature with mana value based on the number of those counters
Slightly easier to answer but no less daunting, the number of unique cards, where you only consider the first printing of each card, brings your total up to a huge 36,108 cards
Pawpatch Formations three modes are: Destroy a creature with flying Destroy an enchantment Draw a card and make a Food token
PSA 10 Full Art Magikarp & Wailord GX #161 cards are in short supply, with only 1,248 copies available
Sure, he's got a modest score for both Strength and Willpower that'll make banishing foes tricky