So what do each free spell do
Ryuma is great against 5 health Leaders, gaining Double Attack if you attach 1 Don to him and forcing your opponent to play most of their Counter cards or give up on 2 of their Life cards
So yeah, I've covered Auras a ton
Yes, they're available so please don't ask me that
R Rare Majestic Mirage X TRAP Continuous If a face-up card you control leaves the field by your card effect, or to activate the effect of your card, and the card that left the field was "Stardust Dragon" or a Synchro Monster that mentioned it: You can apply 1 of the following effects, but you cannot apply that same effect of "Majestic Mirage" again this turn
You get to draw tons of cards, buff your creatures, gain life, and ramp two mana