Burial Bog, Boneyard

Defender, ward {2}
Skeletons in your graveyard have Unearth {b}{r} (Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of
the next end step. If it would leave the battlefield, exile
it instead of putting it anywhere else. Activate only
as a sorcery)
{2}{b} sacrifice a skeleton: scry 2, draw 2, lose 2.
{t}{b}{b}
Partner with Brittle bones, bone binder.
Buried on the battlefield, born as bone.