Reanimator bringing back huge creatures from the graveyard with relatively cheap spells is one of the oldest and most recognizable strategies in Magic
Thankfully, the Book 3 Aang is a good card draw engine with fresh firebending knowledge
Also, if they aggressively put Kaido in the board their dons are destroyed and cannot recover
Some of that may have been a result of bad luck for what my tablemates' decks were giving them, and the fact that in a three-player game it's easier for one deck to get too far ahead and for the table to not find an answer in time
Many excellent articles have been written about the brewing process, but this will not be one of them because I am a tuner and this is an article about the tuning process
If you mean 'challenging' other characters, or glimmers, in play Steel and Ruby are good at challenging and can get benefits for banishing opposing characters during challenges