Carnage Tyrant cant be countered, cant be targeted, cant be stopped by The Scarab God or Torrential Gearhulk
If a card is from a Promo set, it will not be available in any booster pack tied to an existing set
Top 10 Cheap Dragon Commanders Korlessa, Scale SingerKorlessa, Scale Singer Gadrak, the Crown-ScourgeGadrak, the Crown-Scourge Nadaar, Selfless PaladinNadaar, Selfless Paladin Livaan, Cultist of TiamatLivaan, Cultist of Tiamat
Filler creatures Unfortunately, rules dont allow for an entire deck to be made of Steel Leaf Champions, so well need to turn to other efficient beaters to back them up
You can use cards like Titania, Protector of Argoth and Nissa, Vital Force to create some blockers if you need them, and you can keep yourself safe with lands like Glacial Chasm
There is some talk in the community about it being too good, but in our group that has yet to be substantiated