Kefkas ability to wear down your opponents while helping you keep a steady supply of new cards feels extremely relevant to the current midrange meta in cEDH, although Im not sure that he will outperform Tymna the Weaver // Kraum, Ludevics Opus
Vampire Hexmage assassinates planeswalkers and impedes many strategies, from The Mimeoplasm to Darksteel Reactor
Research Assistant provides a 1/3 looting engine for the blue player
Contents: 12 Magic: The Gathering cards per booster 1-4 cards of rarity Rare or higher in every pack 1 Art Card (foil-stamped Signature Art Card replaces the Art Card in 10% of Boosters) 3-7 Uncommon cards 3-7 Common cards 1 Land card (Traditional Foil in 20% of packs, Full-Art Land in 30% of Boosters) 1 Traditional Foil card 1 token/ad card, Helper card, or a special card from Magic's historyfound in 25% of packs.
It's very strong there and in many other places, love this thing loads
There would be some trigger that would cause the counter on the track to advance