Romnah, Merfolk Smuggler

Whenever you cast an artifact or enchantment put
a +1/+1 counter on Romnah, Merfolk Smuggler
{t} {x}{u} search your library for up to one target artifact or enchantment and put it on the battlefield under your control. Where X is the
cost of the artifact or enchantment.
{u} Romnah, Merfolk Smuggler gets +X/+X until
end of turn. Where X is the number of artifacts
and enchantments you control