Sometimes, he gets compared to a Phyrexian Arena but unlike the Arena, you already get that extra card on the turn you summon him
Removal for creatures or planeswalkers or player removal too
Orfeo, the Boulder Rakdos and Bant: Shagrat, Loot Bearer and Galea, Kindler of Hope Gruul and Esper: Meria, Scholar of Antiquity and Arna Kennerd, Skycaptain Selesnya and Grixis: Danitha, New Benalias Light and Tetsuo, Imperial Champion Orzhov and Temur: Ria Ivor, Bane of Bladehold and Pako, Arcane Retriever & Haldan, Avid Arcanist
While you might be throwing out an All Is Dust or Austere Command from it once in a while, you're more likely to be playing smaller cards like an un-overloaded Vandalblast
They are not