Realm Experimentation

While face up on the field, your Realm effect
becomes this card's effect. However, rather than "thrice" per duel, you may only activate said
effect once per duel. Along with this, your
opponent may choose a position on your field to
make unusable as well. After the 4th turn of said
effect is complete, destroy this card.
If your opponent declares an attack, they may
select this card as their target instead. This card is destroyed by the attack of a creature of any lvl. If
this card is destro