Bible Guide Book an extremely scarce item
One powerful idea is to combine Flash with Protean Hulk, where you Flash in Protean Hulk, let it die, search up Karmic Guide and Carrion Feeder, reanimate Protean Hulk with Karmic Guide, sacrifice it to Carrion Feeder for another trigger, fetch Kiki-Jiki, Mirror Breaker, use Kiki-Jiki, Mirror Breaker to copy Karmic Guide and sacrifice Kiki-Jiki to Carrion Feeder in response, which lets you reanimate with the Guide's ability
Treat the spend as entertainment, and stop when you hit a limit you set in advance
Anytime a creature deals combat damage to an opponent, that creatures controller can pay one life to draw a card
**Explode mid-to-late game** with token swarms, copied artifacts, or large spell swings like *Blasphemous Act*
Gluttonous Cyclops There are several Cyclops cards from Theros