Devoid
This spell costs {1} less to cast for each creature that died this turn.
Trample

Devoid
Trample
At the beginning of your upkeep, if you control eight or more colorless permanents, put four +1/+1 counters on Putrescent Carrier.

Devoid
Realm Ravager can't be blocked by creatures with power 2 or less.

Devoid
Return up to one target colorless permanent card from your graveyard to your hand.
Coalesce {4}{G}

Devoid
Propagate 2
{1}{G}{G}, Sacrifice a creature: Draw cards equal to the sacrificed creature's toughness.

Look at the top five cards of your library. Reveal up to two creature cards with total mana value 5 or less from among them. Put all Centaur cards revealed this way onto the battlefield, all other creature cards revealed this way into your hand, and the rest on the bottom of your library in a random order.

Devoid
Propagate 2

Devoid
Search your library for a basic land card and put it onto the battlefield tapped, then shuffle.
Coalesce {5}{G}{G}

Devoid
Twisting Tendrils enters the battlefield with X +1/+1 counters on it.
Whenever you spend five or more mana to cast a spell, put a +1/+1 counter on Twisting Tendrils.

Devoid
{T}: Add {G}.
{T}: Add one mana of any color. Spend this mana only to cast a colorless spell.

Target creature gets +2/+2 until end of turn. Untap it.

War-Clan Dowager gets +1/+1 as long as you control another Centaur.

Enchant creature
Enchanted creature gets +2/+2 and has trample.
Sacrifice Warhorse's Grit: Enchanted creature gains indestructible until end of turn. Tap it.

When Woodland Altar enters the battlefield, mill three cards, then return a permanent card from your graveyard to your hand.
Whenever a card leaves your graveyard for the first time each turn, look at the top card of your library. If it's a land card, you may put it into your graveyard.

When Anointer of Fresh Graves enters the battlefield, create two 1/1 black Horror creature tokens.
Whenever another creature dies, put a +1/+1 counter on Anointer of Fresh Graves.

Flying, lifelink
You may cast Beacon of the Lost from your graveyard if you've lost life and gained life this turn.

Whenever you lose life during your turn, Bloodshed Paramour gets +1/+0 until end of turn.
Whenever Bloodshed Paramour attacks, it gains your choice of first strike or menace until end of turn.

Flying, trample, haste
At the beginning of combat on your turn, look at the top three cards of your library. You may exile a creature card with mana value 3 or less from among them or from your hand. Put the rest of the revealed cards on the bottom of your library in any order, then put all creature cards exiled with Celestial Shepherd onto the battlefield. They gain flying, trample, and haste until end of turn. Exile them at end of combat.

Return up to one target creature card from your graveyard to the battlefield, then return up to one target noncreature card from your graveyard to your hand. Exile Clutch of the Pale Moon.

Vigilance
{1}{G}{W}: Put a +1/+1 counter on target Centaur you control.

Devoid
Whenever you cast an instant, sorcery, or colorless spell, create a 0/1 colorless Eldrazi Spawn creature token with “Sacrifice this creature: Add {C}.” Then if it's the third spell you've cast this turn, creatures you control get +2/+1 and gain haste until end of turn.

Defender
{1}{R}{W}, {T}: Fortified Palisade deals 3 damage to any target and you gain 3 life. Activate this ability only if you control three or more creatures with defender.

When Harrowing Revivalist enters the battlefield, create four 1/1 black Horror creature tokens.
Horrors you control get +1/+1.
At the beginning of your upkeep, sacrifice a creature.

At the beginning of combat on your turn, target Centaur you control has base power and toughness 4/4 and gains indestructible until end of turn.

Lifelink
Other reverent creatures you control get +1/+1.
{4}{W}{B}: Another target reverent creature gains indestructible until end of turn.