While most players understandably prefer their creatures to simply have it as a static ability and generally shy away from using temporary invulnerability due to expensive activation costs, this creatures means of self-preservation is much more palatable
In a vacuum, the card is most valuable as a Merfolk or for its progress in building one's devotion in blue, since this is a vacuum without consideration for players that intend to win primarily through The Oracle'sThe Oracle's triggered ability, but clearly the card reserves its Game Changing status due to how it is played
While these cards might not reach the heights or the price tag of the $2 million One Ring, FF devotees have a level of dedication that easily rivals Magic's own fanatics - Square Enix was able to sell limited edition statues for $11,000, after all
However, if it does have one or more targets, those targets will remain the same for the copy
The third card is tough to cast but is a Gaea's Cradle on legs
Other white creatures you control get +1/+1
