The mode a player chooses depends on how much mana they spend, mirroring the magic point (MP) gauge in traditional Final Fantasy gameplay
Chapter III in particular makes attacking feed you cards, so sometimes Shiva plays out like two turns of Moat. You can also try to combine this with other stun effects to draw extra cards, though there arent many of those (mostly just Ice Flan and Omega, Heartless Evolution)
Thankfully, however, this really isnt an issue, as Invasion of Ikoria is well worth playing, even without the flip side
The standard print is just $1.83, while the foil version goes for $16.81
Wakka begins the game as a bigoted anti-technology zealot because he blames machina for his brothers death at the hands of Sin, but he grows a lot during the game when he has a crisis of faith
Whenever Sazh Katzroy attacks, put a +1/+1 counter on target creature, then double the number of +1/+1 counters on that creature