At the tippy-top of the curve, theres battlefield control in the form of Portal to Phyrexia, which will also start bringing back the best creature in a graveyard during each of your upkeeps
FromTheShire: It's black, your graveyard is your second hand, and this is a great tutor
I'm fully aware that you can fill a deck with Shapeshifters or clones and get more Scarecrows, but that isn't every player's cup of tea
Warhammer 40,000 has deep lore that we've evoked through each card
As of May 7, Amazon has the Magic: The Gathering Avatar The Last Airbender Jumpstart Booster Box listed for $82.13
Letting one Bolas Citadel in play is already a big threat, so having one in the command zone you can cast over and over again should be classed as a war crime