Prowess
When Speaker of the Lightning enters, return target instant or sorcery card from your graveyard to your hand.

Create a 1/1 green Saproling creature token for each permanent card you own in your graveyard and in exile.
Flashback {2}{G}{G}

As an additional cost to cast this spell, exile any number of permanent cards from your graveyard. This spell costs {1} less to cast for each card exiled this way.
Deathtouch
When Sporeback Jargah dies, return a card exiled with it of an opponent's choice to its owner's hand.

Menace

Teslahammer Giant enters with a +1/+1 counter on it.

Flying
Ward—{2}, Pay 2 life.
Whenever you cast a noncreature spell, draw a card.

Revered
This creature can't be blocked by creatures with power 2 or less.

When Towering Sentinel enters, for each kind of counter among permanents you control, put a counter of that kind on Towering Sentinel, then add {G} or {U}.

Create two 3/3 green Centaur creature tokens with vigilance.

Approval — When Triumphant Herd enters, you gain X life, where X is the number of colors among permanents you control.

Flying
When this creature enters, return up to two target creature cards each with mana value 2 or less from your graveyard to the battlefield.

Flying, trample, haste
Vishanki Hellkite enters with a +1/+1 counter on it for each mana from an artifact source spent to cast it.

The first spell you cast during each of your opponent's turns cost {U}{B} less to cast.
During each ending phase, nonland cards in your graveyard have flash and surface. The surface cost is equal to their mana cost.
Surface {6}{U}{U}{B}

The first spell you cast during each of your turns costs {R}{G} less to cast.
You may play two additional lands on each of your turns.
Landfall — Whenever a land you control enters, you may exile the top three cards of your library. You may play those cards from exile as long as you control Warden of Tremors.

Creatures your opponents control get -1/-0.
Spellcharge 5

At the beginning of combat on your turn, if you've spent at least five mana to cast spells this turn, creatures you control get +1/+1 and gain trample until end of turn.

When Ace Tamer enters, look at the top six cards of your library. You may reveal a non-Human creature card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

Ward {2}
If you would put one or more counters on a permanent or player, put three times as many of each of those kinds of counters on that permanent or player instead.

Flying, vigilance
Other creatures you control are Armies in addition to their other types.
At the beginning of your end step, create a 0/0 white Army creature token, then put a +1/+1 counter on each Army you control.

Flying
When Alrantan Skywatch enters, create a 1/1 white Human creature token and draw a card.

Reach
If a creature you control would deal combat damage to a permanent or player, you may have it deal damage equal to your devotion to green instead.

Flying
When Archon of Condemnation enters, you may bless target creature.
At the beginning of your upkeep, you may sacrifice a creature. If you do, bless target creature.

Flying
Favored
Whenever your Champion attacks, create a 0/0 white Army creature token, then put a +1/+1 counter on each Army you control.

Flying
When Armored Raptor enters, if you control an artifact, draw a card.

Flying
Whenever Arsenal Mentor attacks, teach target attacking creature with lesser power flying.