Necro-Impotence
{B}{B}{B}
Enchantment
Skip your untap step.
At the beginning of your upkeep, you may pay X life. If you do, untap X permanents.
Pay {1/2} life: Exile the top card of your library face down. Put that card into your hand at the beginning of the next end step.
Tymna the Weaver
{1}{W}{B}
Legendary Creature -- Human Cleric
2/2
Lifelink
At the beginning of each of your postcombat main phases, you may pay X life, where X is the number of opponents that were dealt combat damage this turn. If you do, draw X cards.
Partner (You can have two commanders if both have partner.)