If you didn't, the ability won't trigger at all
It's also better if you are making token creatures too
Time Magic Spell A surreal time distortion spell for custom Magic-style card art, floating clock fragments and fractured reality spiraling through blue arcane energy, elegant magical geometry, luminous particle trails, atmospheric sci-fantasy mood, cool sapphire palette, layered depth, highly detailed vertical composition suited for premium trading card illustration
Emerging Dragons from dorks and goblins is a sound strategy, and this could be a fun mono-red/artifacts deck in a similar vein to Chiss-Goria
Where the card really shines is in its various keywords and its ability
That's a lot of power over time, and there is no mana or other costs involved save for the initial six needed for this enchantment