Pokmon Battle Academy Packaged in a nicely sized, square box, the Pokmon Battle Academy looks more like a standard, self contained board game than a Trading Card Game
Lands often have no use late game in limited, so sacrificing a couple to give yourself a few extra cards never hurt, especially when the additional costs involved "tap" and not "spend mana"
Thrummingbird is an excellent early play for anyone who's in a hurry to proliferate
The explosive tempo of Legacy and Vintage, unique among Constructed formats, comes from their avenues of transmuting cards into mana Black Lotus, the Moxen, Channel, Lions Eye Diamond, Dark Ritual, Lotus Petal, Grim Monolith, Cloudpost the list goes on
These have a 2.572% chance to be the fourth card in your pack, or a 10.288% chance to be the fifth card
Sacrificing three creatures can be a drawback, but in decks filled with tokens from Bastion of Remembrance or Endrek Sahr, Master Breeder, it becomes trivial