Nylea's Huntmaster

When this creature enters, target creature you control gets +X/+0 until end of turn, where X is 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.

Wildwood Patrol

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)

Pheres-Band Centaurs

Pheres-Band Brawler

When this creature enters, it fights up to one target creature you don't control. (Each deals damage equal to its power to the other.)

Seton, Krosan Protector

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

Nessian Courser

Stonehoof Chieftain

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

Swordwise Centaur

Skyshooter

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

Pheres-Band Raiders

Inspired — Whenever this creature becomes untapped, you may pay {2}{G}. If you do, create a 3/3 green Centaur enchantment creature token.

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.)

Krosan Archer

Reach (This creature can block creatures with flying.)
{G}, Discard a card: This creature gets +0/+2 until end of turn.

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.

Krosan Druid

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

Pheres-Band Warchief

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

Scab-Clan Charger

Bloodrush — {1}{G}, Discard this card: Target attacking creature gets +2/+4 until end of turn.

Seton's Scout

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

Pheres-Band Tromper

Inspired — Whenever this creature becomes untapped, put a +1/+1 counter on it.

Nylea's Disciple

When this creature 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.)

Loaming Shaman

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

Windseeker Centaur

Pheres-Band Thunderhoof

Heroic — Whenever you cast a spell that targets this creature, put two +1/+1 counters on this creature.

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.)

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.

Phantom Centaur

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

Leaf Dancer

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