Overgrown Tomb

({T}: Add {B} or {G}.)
As this land enters, you may pay 2 life. If you don't, it enters tapped.

Elvish Piper

{G}, {T}: You may put a creature card from your hand onto the battlefield.

B.F.M. onto the battlefield. If one B.F.M. card
more creatures.

Mill five cards, then return a creature card milled this way to your hand. (Then exile this card. You may cast the artifact later from exile.)

{1}{G}, {T}: You may put a creature card from your hand onto the battlefield.

Search your library for a creature card, reveal it, then shuffle and put the card on top.

{T}: Add {C}.
{T}: Add {B} or {G}. This land deals 1 damage to you.

Target creature gets +2/+2 and gains trample until end of turn.

You must cast both B.F.M. cards to put
leaves the battlefield, sacrifice the other.
B.F.M. can't be blocked except by three or

This land enters tapped unless you control a Swamp or a Forest.
{T}: Add {B} or {G}.

Creatures you control have trample. (A creature with trample can deal excess combat damage to the player or planeswalker it's attacking.)