It costs less the more creatures you attack with, has flash so you can cast it during combat or even defensively, auto-equips when it comes into play, and gives your creature +1/+1, double strike, and trample
The colors also get brighter as rarity increases, with bronze, silver, then gold almost like medals
Energy remains attached to a Pokmon when it attacks , unless the attack explicitly states that you must discard Energy to use it
To make it easier, Ive broken down the Blood Token cards by colour
How about three
Amazoness Archers X TRAP When an opponent's monster declares an attack, while you control an "Amazoness" monster: Change all monsters your opponent currently controls to face-up Attack Position (Flip effects are not activated), they lose 500 ATK, also they must attack this turn, if able