mtg bfz booster box Battle for Zendikar Pack and potent mana supplies Battle for Zendikar - Booster

Being saddled provides a bonus when some other condition is met, but it's not mandatory to engage in combat

Sleeves Deckbox *PTCGL has a limit on the number of codes you can redeem

This card is basically identical to the Basic Metal Energy from the Heart Gold & Soul Silver setexcept for two key differences

A monster with a "Crystalization Counter" can be used as a fusion material for a "Ultimate Jewel" monster

While you do need to discard one Energy each time you use Thunder Blast, it is easy to work around this

So, although this isn't a "banned" card, it started an almost 20-year ban on new Kadabra cards, crazy