A rare FCA card is rarer than a normal set mythic, so losing to mythic ones will be like a 1 in a 100 draft experience
It's a fun take on the old Classic
Thrasios, Triton Hero often chills in the command zone until you have infinite mana to feed into its activated ability so you can draw your deck and win with Thassa's Oracle, but you can also exploit the activated ability with cards like Training Grounds and Seedborn Muse
The Brothers' War was a tale lost to myth and legend The Brothers' War contains 101 commons, 80 uncommons, 63 rares, and 23 mythic rares
But a little fast mana or a card like Narset, Parter of Veils or Orcish Bowmasters to inhibit or punish the card draw can turn them into powerful tools
Waterlogged Teachings and Stump Stomp will be useful in every deck theyre eligible for, and while Strength of the Harvest appears to only be relevant for specific archetypes, be honest: when was the last time you saw a Selesnya deck that wasnt about spamming the board with either creatures or enchantments