Even if we ignore the infinite mana win condition, Oona, Queen of the Fae is still very much worth playing
The Pit Scorpion might be a humble 1/1, but each time it manages to deal damage to the opposing player, they build up almost incurable poison counters and at 10 poison counters, irregardless of anything else, a player loses
For example, Strixhaven contains a cycle of Mastery spells that you can cast for an alternate cost if you give your opponent a benefit
Beyond that, the Disassemble ability is pretty interesting and could be helpful if the Lorcana meta gets to be too out of hand with items
Second up is Jumbo Cactuar! Cactuars are cactus-like monsters and a staple in the FINAL FANTASY franchise
If that creature has toxic, draw a card