Simply cast as many zero-cost or one-cost spells from your graveyard as quickly as possible, then toss off a storm card such as Brain Freeze or Tendrils of Agony and you win simple as that.
Four mana is a lot for a creature tapping for mana, but this makes up for it by tapping for lots of mana
Other characters include Giott, Golbez, and Rydia as well as a chocobo and loporrit
However, Magic: The Gathering 's designers took things even further than I expected by allowing you to do this as an intentional sacrifice that not only hands off Zack's counters and equipment, but also gives another creature indestructible, mirroring how he defends Cloud
GrimDeck 8 min read Why spend six mana casting a creature when you can spend one mana and some life to drag it out of the graveyard instead
Loxi: Phasing alone provides great protection for planeswalkers and justifies the cost pretty well on this one, as long as you can keep Vronos himself from getting put under fire