6, 2020 Ice Dragon's Prison is amazing against Decks that primarily focus on one monster's Type, especially if they need their Graveyard effects
Such tech allows marketplaces like Courtyard to offer tokenized versions of actual Pokmon cards as certificates of authenticity, which can be redeemed for the real thing
I imagine you'll always be using this card to add the Trap I made below but, first turn, it can be used to whip out one of your Cores
As for its ability, destroying an opponent's nonbasic lands can be pretty useful in the right situation
That means whenever your opponent starts to make a threatening move, you can react early or take out whatever they summon that is strong enough to beat over it
For me, Accumulate Wisdom is, all by itself, a big enough reason to build around lessons, especially considering the new Avatar lessons are much more efficient than the old Strixhaven lessons, which seemed to get a one or two mana tax because of the learn mechanic letting you tutor them from your sideboard, but we've also got a couple of backup lesson payoffs too