Pay 2000 Life Points: Fusion Summon 1 Fusion Monster from your Extra Deck that requires 3 monsters to Fusion Summon, using monsters from your Deck as Fusion Materials
Honestly, if youre doing Undercity, your curve should be more midrange and you should play more haymakers because finishing Undercity is too good to pass up on
While it may not be as economical as buying singles, the aspect of not knowing what you might get is the real fun of the packs, and it is the reason why it feels better to open them
Its 10/10 worth of stats, spread across three bodies, plus even if its somehow blocked by enough creatures to kill it, youve still got 8/8 across four bodies to show for it (to say nothing of the two or three creatures it took to take it down)
Its steel body gleams with ancient power, making it a formidable protector of the timeline