To determine the best cards of the year can be a bit of a challenge, considering the wide variety of playstyles and preferences everyone has when it comes to the game
Its by far your most aggressive option when on the beatdown, its a growing threat that can quickly get out of range of red removal/enemy creatures, it rewards going wide, and it even has some combo synergy (more on that later)
it is the primary collectible
which is a bit of a mistake on my end
The card can be Special summoned provided there is a Sinfoil Spoils card in either players Graveyard, forcing your opponent to set spell and trap cards before activating with the once-per-turn ability to target one card on either field and destroy them whenever such a card is set on the field while in the Monster Zone
This results in an obscene amount of mana generation, and Urza even comes with his own handy mana sink to use that mana, casting random free spells from your library