You can have a good record with a Historic aggressive creature deck, or a mono-red burn deck in Timeless, because these decks dont rely that much on Timeless-only cards, but the competition will be fiercer, and Timeless is home to many broken combos as well
This one
I imagine Temur will remain the best color combination, thanks to blues ease in achieving delirium, Snapcaster Mages synergy with [tippy title="Traverse the Ulvenwald" width="330" height="330"] [/tippy], and the immense relevance of a bullet Moon effect
Buy Fang, Fearless l'Cie [FINAL FANTASY] from Good Games and receive your single quick
Buy Roaring Moon ex directly if that is the only target
While Fall of Cair Andros does have a built-in way to deal noncombat damage, Blasphemous Act will clear most of the board, power up your Orc Army enough for it to survive, and leave your opponents with no blockers to stop the rampaging hordes of Mordor