This card's ATK/DEF are each equal to the number of your banished cards x 400.
Rulings
Individual Card FAQs
"Gren Maju Da Eiza"'s effect includes cards removed from play face-down with "Lightforce Sword" or "Different Dimension Capsule".
If you equip "Axe of Despair" to "Gren Maju Da Eiza", calculate its ATK and DEF according to its effect, then add +1000 ATK on top of that.
If "Gren Maju Da Eiza" is equipped with "Megamorph", its ATK is zero, but if "Megamorph" leaves play, recalculate its ATK using its effect.
Netrep Rulings
The calculation of ATK and DEF of “Gren Maju Da Eiza” is a continuous effect, adjusting every time a card is removed from play or brought back from being removed from play.
FIRE|
Level 3|[ Fiend / Effect ]
ATK -1|
DEF -1