Deciding when to spend a Trigger to redirect is a real judgment call
Galea, Kindler of Hope is the face commander for the build, a Paladin who brings light and hope wherever she goes
C Common The Fang of Critias X SPELL (This card is also always treated as "Legendary Dragon Critias".) Send 1 Trap from your hand or field to the GY, that is listed on a Fusion Monster that can only be Special Summoned with "The Fang of Critias" (if that card is Set, reveal it), then Special Summon that Fusion Monster from your Extra Deck
Blue-Black , finally, is all about villains and the return of the Connive mechanic, which allows players to both draw cards and strengthen their creatures
Cutting it from a competitive deck and trying to swap in something else would almost never be recommended because the card is too important to the deck's overall strategy
These bonus sheet cards are also worthwhile: FCA Review I wanted to cover every card in the Final Fantasy: Through the Ages bonus sheet