Once per turn, if another monster(s) is Special Summoned to your field and this card has 3 or more materials (except during the Damage Step): You can make that monster(s) gain 900 ATK
If youre not sure you want to sell / give away / recycle some of your cards, you can always keep them sorted in your regular sorting order in a separate box and put that box not with the regular collection elsewhere

$4.99 Dion, Bahamut's Dominant (0376 - Borderless) Final Fantasy Variants $1.79 Vaan, Street Thief (0390 - Borderless) Final Fantasy Variants $6.99 Vincent Valentine (0383 - Borderless) Final Fantasy Variants $1.79 Raubahn, Bull of Ala Mhigo (0388 - Borderless) Final Fantasy Variants $12.99 Genji Glove Final Fantasy $2.99 Cecil, Dark Knight (0380 - Borderless) Final Fantasy Variants $4.49 Jill, Shiva's Dominant (0378 - Borderless) Final Fantasy Variants $3.49 Gilgamesh, Master-at-Arms (0338 - Borderless) Final Fantasy Variants $3.99 Squall, SeeD Mercenary (0402 - Borderless) Final Fantasy Variants $2.49 Noctis, Prince of Lucis (0401 - Borderless) Final Fantasy Variants $5.49 Golbez, Crystal Collector (0395 - Borderless) Final Fantasy Variants $4.49 Zenos yae Galvus (0384 - Borderless) Final Fantasy Variants 0 results found

Since it counts your draw step, your zombies essential start with +2/+2, but you can easily accent that thanks to cards like Distant Melody, Varina, Lich Queen, and Kindred Discovery
1 to 4 all have the same performance and are used in the same way
Interesting to note, Harsh Scrutiny makes bounce, like Unsubstantiate, more appealing