Sources: Bleeding Cool , Eva's Binder/YouTube, TCGPlayer (Ultra Rare Pikachu, Secret Rare Pikachu)
The only other card in the game with an effect where Graveyard order matters is Arcana Force XXI - The World if you flip Tails with its coin-flip effect
After realizing that fast mana is dangerous, Wizards powered down mana rocks to the level of Signets, which cost two mana but immediately gain you back one mana, essentially making them cost one mana, in most situations
Thats insane amounts of card draw, and on a respectably costed three mana 4/4 with crew 3, youll be able to achieve this very easily
Some of these cards can change which side is in use once they've already been played, via the Transform mechanic
A lot of the main deck monsters have abilities that cost life points, and so if youre not careful you can run out pretty quickly