Phyrexian Obliterator

Trample
Whenever a source deals damage to Phyrexian Obliterator, that source's controller sacrifices that many permanents.

Sign in Blood

Target player draws two cards and loses 2 life.

Each land is a Swamp in addition to its other land types.

{2}, {T}: Add {B} for each Swamp you control.

{2}, {T}, Sacrifice Expedition Map: Search your library for a land card, reveal it, put it into your hand, then shuffle.

As an additional cost to cast this spell, sacrifice a creature.
Search your library for a card, put that card into your hand, then shuffle.

Search your library for a nonlegendary card, put that card into your graveyard, then shuffle.