Ive enjoyed the decisions on mulligans, inking, challenging, sequencing, and so on
6 Library Of Alexandria $1,900.79 Library of Alexandria is a somewhat strange inclusion on this list, given that at first glance, its ability is useful, but not all that game-breaking by modern standards, due to the specificity of its activation
Translated to MTG, and it can be relatively chumped somewhat safely, but it will never die in battle that way, at least not on its owner's turn
Note that both are instant speed, so you can make a token when someone attacks you and block, or EOT your foe's turn to double and then untap and swing with your newly made horde
This will have the benefit of making the deck less reliant on creatures to win and leaning more into a card type the (generally speaking) has the least removal for it floating around in the format