Donphan Much like Kingdra, Donphan has low energy requirements for relatively high yield in damage dealt
Toon World in the TCG is merely a Magic Prerequisite that's needed to summon "Toon" versions of existing cards that are statistically identical to their original counterparts with some new bonus effects, but is otherwise an ordinary spell card that has no other hidden bonuses, and can be dispatched just as easily with a common de-spell
Naturally, if you just want to open a new set for fun or want to gamble, thats cool
While on the field, it acts as an extender by allowing you to Special Summon more Dragon Rulers from the deck or banishment
Probably around 2020, 2021 boom, old-school cards really just exploded, Plmason recalled
Isshin, Two Heavens as One is one of the most popular Mardu Aggro Commanders