You want this card to be run instead of "Blue-Eyes White Dragon" completely, yet this card supports summoning a Normal Monster, or you maybe designed it to summon "Dragon Spirit of White", but even then this card would only work on summoning it from the hand
Special Summon 1 Dinosaur monster from your Deck that is 2 Levels higher or lower than the Tributed monster had on the field, but destroy it during the End Phase
Instead, Joey metallizes his Red-Eyes via Magic Metal Force (Trap Card), which turns the Trap Cards +400 ATK/DEF into a stylish metallic Monster makeover
If you lose the rock/paper/scissors against The Gore, the AI will often choose to go second against you
If you don't benefit off keeping your level 8 or higher Extra Deck monster on the field, you probably shouldn't be summoning it Only really worth considering if you want to trigger a particular float effect, and even then you're probably better off investing either in Extra Monsters that remove themselves from the Extra for you, or Main Deck monsters you can use to increase the value of whatever you have in the Extra Zone (eg via laddering)
Special Summon this card from your GY (if it was there when the battle position was changed) or hand (even if not)