I also endeavored to keep the power level from peaking too high, forgoing the likes of Collector Ouphe, Smothering Tithe, Sylvan Library and tutors like Enlightened Tutor
9 Merlin - Intellectual Visionary 159/204, Sapphire If Merlin - Intellectual Visionary's Shift ability was just a touch more aggressive, it could be a true power player, but it's still a significant card as is
There are basically five major interactions in War of the Spark: +1/+1 counters, Proliferate, Amass, spells-matter, and Planeswalkers
However, in most cases, a 40-card deck will provide more consistency in drawing your best cards, and I would prefer that over a diluted 60-card configuration