Courser of Kruphix

Play with the top card of your library revealed.
You may play lands from the top of your library.
Landfall — Whenever a land you control enters, you gain 1 life.

Krosan Druid

Kicker {4}{G} (You may pay an additional {4}{G} as you cast this spell.)
When Krosan Druid enters, if it was kicked, you gain 10 life.

Centaur Nurturer

When Centaur Nurturer enters, you gain 3 life.
{T}: Add one mana of any color.

Scab-Clan Charger

Bloodrush — {1}{G}, Discard Scab-Clan Charger: Target attacking creature gets +2/+4 until end of turn.

Centaur Chieftain

Haste
Threshold — As long as seven or more cards are in your graveyard, Centaur Chieftain has "When Centaur Chieftain enters, creatures you control get +1/+1 and gain trample until end of turn."

Loaming Shaman

When Loaming Shaman enters, target player shuffles any number of target cards from their graveyard into their library.

Ghor-Clan Savage

Bloodthirst 3 (If an opponent was dealt damage this turn, this creature enters with three +1/+1 counters on it.)

Phantom Centaur

Protection from black
Phantom Centaur enters with three +1/+1 counters on it.
If damage would be dealt to Phantom Centaur, prevent that damage. Remove a +1/+1 counter from Phantom Centaur.

Leaf Dancer

Forestwalk (This creature can't be blocked as long as defending player controls a Forest.)

Centaur Omenreader

As long as Centaur Omenreader is tapped, creature spells you cast cost {2} less to cast.

Pheres-Band Warchief

Vigilance, trample
Other Centaur creatures you control get +1/+1 and have vigilance and trample.

Skyshooter

Reach (This creature can block creatures with flying.)
{T}, Sacrifice Skyshooter: Destroy target attacking or blocking creature with flying.

Pheres-Band Centaurs

Stonehoof Chieftain

Trample, indestructible
Whenever another creature you control attacks, it gains trample and indestructible until end of turn.

Pheres-Band Thunderhoof

Heroic — Whenever you cast a spell that targets Pheres-Band Thunderhoof, put two +1/+1 counters on Pheres-Band Thunderhoof.

Battlefield Scrounger

Threshold — Put three cards from your graveyard on the bottom of your library: Battlefield Scrounger gets +3/+3 until end of turn. Activate only once each turn and only if seven or more cards are in your graveyard.

Centaur Vinecrasher

Trample
Centaur Vinecrasher enters with a number of +1/+1 counters on it equal to the number of land cards in all graveyards.
Whenever a land card is put into a graveyard from anywhere, you may pay {G}{G}. If you do, return Centaur Vinecrasher from your graveyard to your hand.

Centaur Battlemaster

Heroic — Whenever you cast a spell that targets Centaur Battlemaster, put three +1/+1 counters on Centaur Battlemaster.

Seton, Krosan Protector

Tap an untapped Druid you control: Add {G}.

Centaur Courser

Pheres-Band Tromper

Inspired — Whenever Pheres-Band Tromper becomes untapped, put a +1/+1 counter on it.

Nikya of the Old Ways

You can't cast noncreature spells.
Whenever you tap a land for mana, add one mana of any type that land produced.

Burning-Tree Shaman

Whenever a player activates an ability that isn't a mana ability, Burning-Tree Shaman deals 1 damage to that player.

Centaur Rootcaster

Whenever Centaur Rootcaster deals combat damage to a player, you may search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

Selesnya Eulogist

{2}{G}: Exile target creature card from a graveyard, then populate. (Create a token that's a copy of a creature token you control.)

Nyx Herald

At the beginning of combat on your turn, target enchanted creature or enchantment creature you control gets +1/+1 and gains trample until end of turn.

Stonebrow, Krosan Hero

Trample
Whenever a creature you control with trample attacks, it gets +2/+2 until end of turn.

Pharika's Disciple

Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.)
Renown 1 (When this creature deals combat damage to a player, if it isn't renowned, put a +1/+1 counter on it and it becomes renowned.)

Nessian Courser

Fanatic of Xenagos

Trample
Tribute 1 (As this creature enters, an opponent of your choice may put a +1/+1 counter on it.)
When Fanatic of Xenagos enters, if tribute wasn't paid, it gets +1/+1 and gains haste until end of turn.

Swordwise Centaur

Boreal Centaur

{S}: Boreal Centaur gets +1/+1 until end of turn. Activate only once each turn. ({S} can be paid with one mana from a snow source.)

Centaur Archer

{T}: Centaur Archer deals 1 damage to target creature with flying.

Seton's Scout

Reach (This creature can block creatures with flying.)
Threshold — Seton's Scout gets +2/+2 as long as seven or more cards are in your graveyard.

Nylea's Disciple

When Nylea's Disciple enters, you gain life equal to your devotion to green. (Each {G} in the mana costs of permanents you control counts toward your devotion to green.)

Spellbane Centaur

Creatures you control can't be the targets of blue spells or abilities from blue sources.