Restricting your deck to only mono-blue spells removes options, but you can funnel all that mana into blue card draw spells to trigger the likes of Psychosis Crawler and Ominous Seas to bury your opponents in card advantage, damage, and triggers
Rather than an indiscriminate slaughter, as Liliana, Dreadhorde General participated in, Professor Onyx is a bit more specific in her murdering
Getting three extra mana a turn especially late in the game is a great way to overwhelm your opponents in value as mentioned before
Most decks have targets for it and the range is fairly wide
Create a 0/1 black Wizard creature token with "Whenever you cast a noncreature spell, this token deals 1 damage to each opponent." See more Add To Wishlist Restock Notice Gatherer & Rulings (opens in new tab) NM EX VG G 20 available @ $0.35 Add to Cart 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 $0.28 Out of stock
Rude Awakening 4 This is somewhat of a Craterhoof Behemoth for a very land focused ramp deck