Despite lacking a Spirit Link item that was never printed, M Kangaskhan-EX is still one of the strongest Megas as long as you have good luck
First Edition Pikachu (Yellow Cheeks) #58 Estimated PSA 10 Gem Mint Value: $1,500 Though it may not be as expensive as the rarer red-cheeked variation, the Pikachu card featuring the lovable face of the franchise with yellow cheeks is still quite expensive in high grade
Similarly, you may only play one of Professors Research OR Professor Sycamore OR Professor Juniper per deck
(While its phased out, its treated as though it doesnt exist
Obviously Limited is top (not pushing my own view at all there), but what else takes your fancy
They don't copy whether that creature was tapped or untapped, whether it had any counters on it, whether it had any Auras and/or Equipment attached to it, or any non-copy effects that changed its power, toughness, types, color, and so on