Trembo of the Miscellaneous

Companion — In your starting deck, no cards
share a subtype and no cards without a subtype
share a mana cost.
{t}: Add {w/b}{u/r}.
{w/b}{u/r}{g}, {t}: Target creature gets +X/+X until
end of turn, where X is the total number of
subtypes among non-Walrus permanents you
control.