Gateless Unity

Surveil 2. Undergrowth- x creatures you control
gain Mentor, Afterlife 2, "{3}: Adapt 2" and Riot,
where x is the number of creatures in your
graveyard. Addendum- if you cast this spell during
your main phase, Surveil 4 instead and this card
gains Jumpstart.
Convoke, Spectacle {8}
Not so long ago, an mtg fanatic drafted 5-color gates.