That combination makes it terrifying in proliferate builds, where it turns every tick into twice the value
Whether that's fueling WildfireWildfire decks in Urza's Saga Standard that would leave the whole table without lands while you sat there and fiddled with your Grim MonolithGrim Monolith, or putting a smile on the face of cEDH players after the bans as they slowly realize that not only can these Keys untap Mana VaultMana Vaults and Basalt MonolithBasalt Monoliths, they can also target The One RingThe One Ring, suffice it to say there's no lack of targets
To create a blended effect like Ive done above we want the change in opacity to be gradual
We can then duplicate our best creatures with the likes of Rite of Replication, See Double and Quasiduplicate and then turn all those incidental tokens we made into huge problems, like oh i don't know, an Army of Wormcoil Engines or even, hilariously we can turn our Artifact Army into Luck Bobbleheads and win with their activated ability
Or the fact that you can transfer Astrologian's Planisphere to a real creature since its an equipment, or to a creature that has synergies with +1/+1 counters placed put on it
In fact, Magic Online putting Play Points on sale instead of Event Tickets tells me that Wizards is being very careful with their in-game economy
