Effect
Target 1 "Number" Xyz Monster you control that has no Xyz Materials; attach 2 monsters from your hand to that face-up Xyz Monster, as Xyz Materials.
"Numbers Overlay Boost" is activated by targeting 1 face-up "Number" Xyz Monster on your field that has no Xyz Materials. (The 2 monsters from your hand that are attached as Xyz Materials are not targeted.)
"Numbers Overlay Boost" cannot be activated during the Damage Step.
Continue with related public research
From this rulings page you can jump back into card data, set archives, tournament decks, banlist checks, and market movers.
Card database
Search Yu-Gi-Oh! cards, archetypes, stats, and printings.
Set archive
Navigate booster sets and inspect all cards in each release.
Tournament decks
Browse competitive decklists, player finishes, and archetype trends.
Banlist status
Check the current status of Yu-Gi-Oh! cards on the banlist.
Market movers
Track the top Yu-Gi-Oh! price gainers and momentum cards.