By the time the counters become relevant, you'll likely already be far ahead in the game
I think I have to be honest here before I begin that I played Magic: The Gathering religiously and competitively (The table top version) from 1993 with the release of the Arabian Nights until about 2006 just after the release of Coldsnap
Not only does it give you a Clue when it enters, but it also creates a creature token once on your turn when you sacrifice a permanent
According to the game publisher, Lorcana is the most ambitious project theyve ever done, with the largest investment and a multi-year rollout campaign for Lorcana
If youre evoking Solitude most of the time, then its a lot less powerful than the other removal options in the format like Swords to Plowshares and Prismatic Ending
After going harder into the graveyard-stocking plan, adding better reanimation (Reanimate, Living Death, and Animate Dead) is another good way to up the power