Since we have a mass number of attack triggers that do our things, we don't want to waste time frumping around
Fortunately, what mono Red players miss out on when it comes to straightforward card advantage, they end up getting some of the most explosive and unconventional draw effects in all of Magic
The damage number is increased, decreased, or the whole damage effect is replaced entirely
It's also notable that it it doesn't say "other" character, so you could even target Arthur himself with this ability
Magus Lucea Kane is a four mana 1/1 that puts a +1/+1 counter on a creature at the beginning of combat, and taps to add two colorless to double up any X spell or activated ability
So, rather than look at these in one large swathe, well start with 1v1 formats and the gifts available for giving