Blacks counter-making is occasionally tied to Vampires, but it has a plethora of ways to make its creatures bigger, often flavored as draining something from your opponent
When using the Shift 5 ability, which allows the six-cost card to be played one turn early if a cheaper Merlin can be commandeered for the cause, Merlin gets to make use of another feature called Overdeveloped Brain
If youre able to keep blinking those cards turn after turn, you can keep resetting them so Kolodin automatically sees them enter the battlefield and gets them ready to attack once again
An additional 5% of Play Boosters feature art cards with a gold-stamped artist signature or Planeswalker symbol
How does this impact combo decks that previously played few or no lands, like Belcher or Neobrand
Put simply: Investigate plus token doubling leads to a lot of artifacts fast, and usually a lot of card draw soon after