yugioh dark spell cards YU-GI-OH! - Magic Attack (LCYW-EN071) - Legendary Collection 3: Yugi's World - Unlimited Edition or Suijin that is banished or in your Deck to your hand Dark Illusion - Yugipedia

[L][L][C] Photon Blaster: 220 damage

It ramps you (for any color), exiles something out of the opponents graveyard, and then eventually turns into a decent attacker

Whiskervale Forerunner There are too many 4-drops that look like mouse aggro top-end cards, but Whiskervale Forerunner is the one to watch

Despite the code cards being from Black and White boosters only, one code card=one pack of your choice from HGSS-On

I would say it is below average for an ultimate but probably around average on ultimates actually in the cube.

Another good plan is to have your card velocity ready to go in the later turns, since you've probably depleted the resources in your hand by then