Most of these are good on their own, and they get better as you get more
The number of cards you discard is equal to Horrid Shadowspinner's power at the time you chose to draw cards, even if another effect changed the number of cards you drew or in the unusual case where Horrid Shadowspinner's power has changed since you chose to draw cards
FLARE OF FORTITUDE I had thought about doing all the flares as a one-of entry, but I think some are better than others, even if all of them are good somewhere
Boa Hancock (Sealed Battle 2024 Vol
We also have a guide to the best planeswalkers - which may well change with the new, supermassive cards on the way.
I saved this one for last because it requires an additional card, but if we can get a Panharmonicon on the battlefield along with the Felidar Guardian loop, things get really crazy