mtg fish commander deck Charix Crab Tribal Tech Card Kingdom

Could there now be decks with Plans A of their own(s) so enticing they could lure Red mages away

For acceleration, the classic mana dorks will do (Elvish Mystic, Llanowar Elves, Fyndhorn Elves, Circle of Dreams Druid, etc.)

You have better options, but the right Background can make anyone sing

The bottom half of the mythics from Masters 25 are horrible from a value perspective, and it's hard to imaging too many players happily cracking Tree of Redemption or Prossh, Skyraider of Kher

A 3/1 flier for 3 is already fine

Mephidross Vampire plays super well with Triskelion, though many casual playgroups frown on combos like this for being too easy to assemble