holddex

magnet

electric type moves have more power

mental herb

prevents attraction

metal coat

steel type moves have more power, evolves scyter into scizor and onix into steelix when traded

metal powder

raises ditto's def and sp def with half

miracle seed

grass type moves have more power

mystic water

water type moves have more power

nevermeltice

ice type moves have more power

pink scarf

beaty stats are increased

poison barb

poison type moves have more power

quick claw

holder may attack first

red scarf

cool stats are increased

scope lens

increases chances of a critical hit

sea incense

water type moves have more power, attach to marill to breed azurill

sharp beak

flying type moves have more power

shell bell

heals HP depending on damage done to opponent

silk scarf

normal type moves have more power

smoke ball

holder is always able to run from wild pokémon

silverpowder

bug type moves have more power

soft sand

ground type moves have more power

sooth bell

Holder gets happy more easely

soul dew

raises latios' sp def and latias' sp atk with half

spell tag

ghost type moves have more power

stick

raises farfetch's critical hit ratio

thick club

doubles cubone's and marowak's atk

twistedspoon

psychic type moves have more power

up-grade

evolves porygon into porygon2

white herb

cures all status conditions

yellow scarf

toughness stats are increased