Dutiful Servants

Mummy Paramount

Whenever another Zombie you control enters, Mummy Paramount gets +1/+1 until end of turn.

Time to Reflect

Exile target creature that blocked or was blocked by a Zombie this turn.

Plains

Unconventional Tactics

Target creature gets +3/+3 and gains flying until end of turn.
Whenever a Zombie you control enters, you may pay {W}. If you do, return Unconventional Tactics from your graveyard to your hand.

Oketra's Attendant

Flying
Cycling {2} ({2}, Discard this card: Draw a card.)
Embalm {3}{W}{W} ({3}{W}{W}, Exile this card from your graveyard: Create a token that's a copy of it, except it's a white Zombie Bird Soldier with no mana cost. Embalm only as a sorcery.)

Thriving Heath

Thriving Heath enters tapped. As it enters, choose a color other than white.
{T}: Add {W} or one mana of the chosen color.

Those Who Serve

Fan Bearer

God-Pharaoh's Gift

At the beginning of combat on your turn, you may exile a creature card from your graveyard. If you do, create a token that's a copy of that card, except it's a 4/4 black Zombie. It gains haste until end of turn.

Disposal Mummy

When Disposal Mummy enters, exile target card from an opponent's graveyard.

In Oketra's Name

Zombies you control get +2/+1 until end of turn. Other creatures you control get +1/+1 until end of turn.

Sparring Mummy

When Sparring Mummy enters, untap target creature.

Binding Mummy

Whenever another Zombie you control enters, you may tap target artifact or creature.