Its more of a curiosity than anything since it takes considerably more mana to play this than Chronatog in decks with the synergies to make it work
The Importance of Card Draw in MTG Imagine you are a general commanding an army the more intel you have, the higher your chances of outmaneuvering the opponent
The Gengar ex looks awesome, but I don't need three of them, and being able to trade would be extremely useful
Drop the Outcast in your Omnath, Locus of Rage deck for 5/5s to go along with those 5/3s, or sneak it into your Obeka, Splitter of Seconds deck for an extra 5/5 for each of those extra upkeeps
Enchanted cards like Donald Duck and Aurora offer thematic effects, enhancing gameplay and collection
Exile any number of target creatures and all Auras attached to them