Mana Vault doesn't untap during your untap step.
At the beginning of your upkeep, you may pay . If you do, untap Mana Vault.
At the beginning of your draw step, if Mana Vault is tapped, it deals 1 damage to you.
: Add .

Exile all white creatures. For each creature exiled this way, its controller draws a card.

As long as Martyrs of Korlis is untapped, all damage that would be dealt to you by artifacts is dealt to Martyrs of Korlis instead.

: Untap target attacking creature. Prevent all combat damage that would be dealt to and dealt by that creature this turn.

Attacking creatures get +1/+0.

Whenever Mijae Djinn attacks, flip a coin. If you lose the flip, remove Mijae Djinn from combat and tap it.

At the beginning of your upkeep, Minion of Tevesh Szat deals 2 damage to you unless you pay .
: Target creature gets +3/-2 until end of turn.

: Add . Spend this mana only to cast artifact spells.

All creatures lose flying and islandwalk.

Cumulative upkeep (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)
If tapped for mana, Plains produce , Islands produce , Swamps produce , Mountains produce , and Forests produce instead of any other type.

: Prevent the next 1 damage that would be dealt to target creature this turn.

, : Return target permanent you both own and control to your hand.

Ogre Taskmaster can't block.

When Onulet dies, you gain 2 life.

, Sacrifice an artifact: Orcish Mechanics deals 2 damage to any target.

Flying
At the beginning of each end step, if a creature died this turn, put a carrion counter on Osai Vultures.
Remove two carrion counters from Osai Vultures: Osai Vultures gets +1/+1 until end of turn.

Destroy all creatures target opponent controls. Draw a card for each creature destroyed this way.

Flying
When Owl Familiar enters the battlefield, draw a card, then discard a card.

, : The next time a source of your choice would deal damage to you this turn, prevent that damage.