Enchantment Color tag templates(None) Drain (CTRL to add secondary) Finisher Qty: 1 Price: $0.99 Exsanguinate Each opponent loses X life
And if you were to hold onto a pack or two (or 10) for yourself, who's to know or care
Sensei's Divining Top can be replaced with Scroll Rack or Crystal Ball, providing alternative ways to manipulate the top of your library and ensure efficient card draw (at the cost of losing some infinite combo potential)
How often do you cast a turn 1 Serum Visions, look at the two cards from scry, and think to yourself, I have no idea if these cards are good or not? You can, and likely should, blame yourself for utilizing your spell poorly, but not using that mana has a cost too and with an instant-speed cantrip, you can make a more informed decision while not wasting that manathe best of both worlds
Some of the best card draw spells can be found in Commander decks, where there is more freedom to jam the best of the best into your list
As a bonus, those nonland permanents cant be regenerated, just to add extra insult to injury