rellor pokemon card - 013/191 - Surging Sparks [Colorless] Rellor Reverse - Temporal Forces

That's because these cards are all reprints of existing Magic: The Gathering cards that have been given a Final Fantasy equivalent

Even other multicolored decks that leverage this mechanic, like one featuring Edea, Possessed Sorceress as the Commander, can make great use of these cards

Effects that last "for as long as that creature has a [kind of] counter on it," such as Aven Mimeomancer's, stop applying to Me, the immortal once it leaves the battlefield

Then you can spend one of each mana giving her the 5C color identity as a Commander and then you untap your attacking horde, give them trample, lifelink and haste like the ones you just attacked with and get another combat phase this turn