Lets break down the fundamentals
The last one is the three mana 3/3 on curve Green one with vigilance that gives your team the ability to tap for any color of mana, it too
A card with the power to skip this was always going to be something to be feared, and a deck dedicated to bringing this card out onto the field and preventing the opponent from playing was a disruptive force
The five colours, in addition to characterizing specific terrains and specific fantasy types, would also correspond to the strategies of certain colours from a gameplay mechanic -- the type of ways they would win, the types of counter-abilities they could do, and the flavour of the characters associated with them
C Common Rainbow Neos X LIGHT Level 10 [ WarriorFusionEffect ] ATK 4500 DEF 3000 "Elemental HERO Neos" + 1 "Ultimate Crystal" monster Must be Fusion Summoned with the above Fusion Materials
Of course, we could try to merge Winding Constrictor with Oath of Ajani, but this carries with it added risks to the manabase