He is fairly pricey and doesn't do much to protect you against mass removal which is your biggest concern against slower decks
Not every Commander table is ready for a card like Armageddon , but that doesnt mean that you have to sit there and let your opponents snowball out of control with powerful lands such as Gaeas Cradle
Heliods Intervention Which is better: Return to Dust or Crush Contraband
Ovidio Cartagena, Lead Art Director for the set, has talked about how this set was inspired by horror media from the last 40 years
Tezzeret, Cruel Captain: A powerful, low-cost, colorless planeswalker perfect for artifact strategies in multiple formats
Accelerating from turn 1 can give you a huge advantage, especially against opponents opening on tapped lands