Sure, each card and type of card has certain conditions that you must meet before being able to play it, but there's no mana system in play, no lands you need to tap, and so on
Despite being in White, you are able to pair this with Solemnity which will remove the flying counter on the creature that is recured, meaning you can recast it again
He asks your opponent to have something very specific, like a "target opponent sacrifices" effect, a board wipe that gets around Regenerate, and/or a way to shrink him through toughness reduction
Assault Halberd is simply amazing at providing Tribute fodder and being a magnet for your opponents trap cards
And as a Combo deck the "drawback" of spells not being counterable works in your favor since nobody can counter you the turn you go off
Notably, Sagas use lore counters to track their progress, not time counters