For example, if you control Johann, Apprentice Sorcerer (Once each turn, you may cast an instant or sorcery spell from the top of your library.) and Questing Druid is on top of your library, you can cast Seek the Beast, but not Questing Druid
Once the ability starts resolving, it's too late for anyone to respond by removing Bloodfeather Phoenix from your graveyard to stop you from bringing it back
Morphing a creature is a special action and it doesnt use the stack, so you can still morph creatures while a split second card is on the stack
It's outrageously stupid
While a few standouts received a lot of hype, such as Vivi Ornitier, most of the rares and mythics seemed specifically geared for Commander play
You can even close out a game if your opponents are getting low on life with enough mana spent on this card