While the basic 'discard and draw one' Cycling card is by far the most common type, there are a large number of cycling variants
Looting and making a Treasure for two mana seems great in a reanimation or graveyard deck where you can pitch your Atraxa or Titan of Industry and ramp toward your reanimation spell a turn earlier
Kastrals inclusion is a bit sketchier since five-mana is a lot for a creature deck in the current Standard, but if this deck can weather the opening turns, Kastral gives the Bird Typal deck a ton of agency
For example, if you cast a sorcery and then respond to Sorcerer Class's triggered ability by casting an instant, both triggered abilities will deal 2 damage when they resolve
Encores potential seemed a little lacking when I first started thinking about its use in Commander, since we exile any creatures you grant the ability to
It almost feels like overkill - we think this Teferi has an unnatural potential to really upset your opponents