Marwynn, Fabulous Flourisher

Whenever you tap Marwynn, Fabulous Flourisher for mana, add an additional X
mana of any one color, where X is the number
of creatures you control wearing fabulous accessories (read: equipped or enchanted).

{1}{g}: Target creature gets a +1/+1 counter
and a stylish glow-up (aka hexproof
and trample) until end of turn.