Sometimes, that reward will be a creature, other times an enchantment or an artifact
But this is a fantastic way of getting more monsters on your field to summon with, be it tribute, link, synchro, or whatever type of summon you feel like
X SPELL Field Cannot be destroyed by your opponent's card effects while you control a "Centur-Ion" Monster Card
You can use one of the starter decks or mix-and-match cards from any of the different chapters
Considering that EX cards are the norm in almost every battle, this Supporter is incredible
Frequently, this results in the new player having to wait for several minutes while their opponent performs several long combos to fill their field with powerful monsters that they have no response to