Lobelia, Defender of Bag End Japones (You may cast cards with

(You may cast cards with retrace from your graveyard by discarding a land card in addition to paying their other costs

then search your library for a creature card that's exactly that many colors plus one

Crew 2 (Tap any number of creatures you control with total power 2 or more: This Vehicle becomes an artifact creature until end of turn

and hexproof

Creatures with power greater than the number of cards in your hand can't attack

Lobelia, Defender of Bag End Japones (You may cast cards withWhen Lobelia enters, look at the top card of each opponent's library and exile those cards face down. {T}, Sacrifice an artifact: Choose one Until end of turn, you may play a card exiled with Lobelia without paying its mana cost. Each opponent loses 2 life and you gain 2 life.