The on-field effect was inspired somewhat by Super Rejuvenation, which I recognize is banned (well, in the TCG) but I figure if youre investing four monsters (and a Fusion Spell) into a card, its gotta help you generate some advantage and pay itself back
Find Selfless Spirit if youre worried about an opposing board wipe
The reports consider cards from different sets to be distinct (even if they have the same name), but do not distinguish copies sold by condition (Near Mint, Lightly Played, etc.) or by printing (Foil, etc.)
It used to be the best, but also the most skill-intensive payoff creature Dredge had, but the card lost a lot of its power with the ban of Faithless Looting
Not only does it turn off the "legend rule" for your tokens, it also stops most of the abilities that force you to sacrifice your tokens