Another option is to run a bunch of non-Minotaur cards, but use Conspiracy or Maskwood Nexus to make them mechanically Minotaurs
Additionally, his response does not have a stated limit
Of course, Karmic Guide itself can be cheated into play through any number of reanimation spells or cost-reducing abilities, so this card is more often employed as a combo piece rather than as a straight-up five-mana Angel Spirit
M29 is our standard linen card stock option
Modern demands that players be able to interact with the graveyard, but they have a lot of other needs in their sideboard as well, so they cant usually play that many cards that interact with the graveyard and not all graveyard hate is the same
You can of course use other themes that work with Kellan, like foretell and plot