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.

{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.)

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

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

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

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

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

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

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.

Trample {G}, Discard a card: Regenerate Centaur Veteran.

Trample Centaur Vinecrasher enters the battlefield 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.

Shroud (This creature can't be the target of spells or abilities.) Echo {3}{G} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)

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

{2}{G}, {T}: Return target enchantment card from your graveyard to your hand.

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

{T}: Return target card from an opponent's graveyard to their hand. Put a +1/+1 counter on target creature.

Whenever Gaea's Courser attacks, if there are three or more creature cards in your graveyard, draw a card.

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

Disguise {5}{G}{G} (You may cast this card face down for {3} as a 2/2 creature with ward {2}. Turn it face up any time for its disguise cost.) When Greenbelt Radical is turned face up, put a +1/+1 counter on each creature you control. Creatures you control gain trample until end of turn.

Enchantment spells you cast cost {1} less to cast. Whenever you cast an enchantment spell, you gain 1 life.

Parley — Whenever Innocuous Researcher attacks, each player reveals the top card of their library. For each nonland card revealed this way, you investigate. Then each player draws a card. At the beginning of your end step, you may untap all lands you control. If you do, you can't cast spells until your next turn.

Shroud (This creature can't be the target of spells or abilities.) Flanking (Whenever a creature without flanking blocks this creature, the blocking creature gets -1/-1 until end of turn.)

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

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

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

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

When Nylea's Disciple enters the battlefield, 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.)

When Nylea's Huntmaster enters the battlefield, 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.)

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.

Protection from black Phantom Centaur enters the battlefield 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.

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.)

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

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

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

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

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

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

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

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.

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

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

{2}{G}{G}, {T}, Discard a card: You gain 2 life for each card in your hand.

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

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

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

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

Vigilance

Create four 2/2 red and green Satyr creature tokens with haste.