Furthermore, you can pay 3 mana and sacrifice another creature to draw cards equal to their toughness and discard cards equal to their power
You may be large, my friend, but you're not too scary
Garruks Uprising by contrast takes the typical Green approach of tying draw draw to creatures, in this case whenever you drop out a creature of power 4 or greater plus a bonus if you already had one out when the Enchantment hits the battlefield
Despite being very good in this matchup, he still costs four mana to cast, and one could easily rely on finding one of the five game-winning spells later in the game, obviously counting Keranos, God of Storms to this elite class of winning spells
Players who play the oldest format all want to own one
It doubles the amount of mana your Blue sources produce allowing for a more explosive turn than expected