Ornithopter

Swamp

Put target creature card from a graveyard onto the battlefield under your control. You lose life equal to its mana value.

{T}, Sacrifice Lotus Petal: Add one mana of any color.

You draw three cards and you lose 3 life.

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

Search your library for up to three creature cards, put them into your graveyard, then shuffle.

Death's Shadow gets -X/-X, where X is your life total.

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

As an additional cost to cast this spell, sacrifice a creature.
Add {B}{B}{B}{B}.

Haste
As long as Anger is in your graveyard and you control a Mountain, creatures you control have haste.

Add {B}{B}{B}.
Threshold — Add {B}{B}{B}{B}{B} instead if seven or more cards are in your graveyard.