It sounds counterintuitive but these cards give you no options but dig into your deck to find your enablers, all your other cards already give you this option
Whenever an opponent draws a card, Nekusar, the Mindrazer deals 1 damage to that player. Its pretty obvious that Forced Fruition here is going to be a threat on its own, but we could also go a little further with the right cards
Of course not, the cards a monster
Perhaps the clearest ancestor is Retrace, the paradigm mechanic for repeatedly casting spells out of the graveyard (unlike Flashback and Unearth, which only work once)
Here is a list of the most valuable MTG cards
This can completely shut down a high-power character from damaging your Leader or KOing a key Character on the field