mtg 1st edition booster box Magic The Gathering Revised 3rd Edition Pack Including The Forceful Sentry Limited Edition Alpha Booster Box

Karn has the unique ability to tutor up impactful artifact cards from outside the game (i.e

If you're not very familiar with sideboarding in Limited and want to become an expert, I recommend this course by Hall-of-Famer Seth Manfield

But Merlin lets you search for any card and add it to your hand

Any abilities that care about a counter being removed from or put onto a permanent will apply.

There are many ways to exploit it along with Sword of the Meek that can go from taking infinite extra turns with the help of Time Sieve or add infinite mana with Ashnod's Altar, making it a solid card to include in artifact and combo decks overall

Still, there are a lot of random ways to gain life and give Minwu the first couple of counters, so that might not be much of an issue