While Karlov Watchdog is on the battlefield, opponents can't attempt to turn face-down creatures face up either by paying a disguise or morph cost or by paying the mana cost of a cloaked or manifested creature
Run this Chainer alongside Oversold Cemetery for all kinds of value
This makes Altar the perfect pseudo-recursion, with the bonus of synergizing with token doublers like Anointed Procession and ETB effects like Impact Tremors
Personally, I'm in the camp that believes you'll want to end up playing some number of both cards in most Red decks
You don't choose targets for Itzquinth, Firstborn of Gishath's triggered ability at the time it triggers
If you're outside of commander color identity rules, any instant or sorcery becomes a mere which is almost nothing with a Sol Ring, Ashnod's Altar, or Palladium Myr sitting around