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.

When Starfouled Scion enters the battlefield, look at the top seven cards of your library. Put one of them into your hand and the rest on the bottom of your library in a random order.

You draw three cards and you lose 3 life. Creatures get -X/-X until end of turn, where X is the number of cards in your hand.

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.

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}.

This spell costs {1} less to cast for each Elemental you control.
Haste

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

When Truffletusk enters the battlefield, create a Food token.
Whenever you sacrifice a Food, you may create a 1/1 white Soldier creature token with vigilance.

Each player discards their hand, then draws seven cards. Create an X/X red Elemental creature token with haste, where X is the number of cards discarded this way.

Ward {3}
At the beginning of your end step, create a 1/1 green Goat Spirit creature token. For each kind of counter on Warden of Herds, you may put that many counters of that kind on that token.

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.

As long as you control four or more lands with different names, Worldtreader Beast can't be blocked by creatures with power 2 or less.

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 the battlefield, 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.

At the beginning of your upkeep, you draw a card and you lose 1 life. You may repeat this process up to two times.

Whenever a creature dies, you draw a card and you lose 1 life.
At the beginning of your end step, put a decay counter on Arcet. It deals X damage to each player, planeswalker, and other creature, where X is the number of decay counters on it.
Escape—{4}{B}{B}{B}, Exile the top thirteen cards of your library.

Flying, menace
When Archon of Condemnation enters the battlefield, 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, vigilance
Whenever Arisen Hero attacks, if you control three or more Spirits, you gain 3 life and draw a card.

Menace
Whenever you cast an artifact spell, each opponent loses 2 life.