Defender {T}: Creatures you control gain haste until end of turn.

If you would draw a card, you may instead choose land or nonland and reveal cards from the top of your library until you reveal a card of the chosen kind. Put that card into your hand and put all other cards revealed this way on the bottom of your library in any order.

(Dryad Arbor isn't a spell, it's affected by summoning sickness, and it has "{T}: Add {G}.")

({T}: Add {G}.)

Whenever you cast a creature spell, draw a card.

Whenever you cast a creature spell this turn, draw a card.

Whenever you cast a creature spell, you may draw a card.

Draw a card for each creature you control. Ferocious — You gain 4 life for each creature you control with power 4 or greater.

Devour 1 (As this enters the battlefield, you may sacrifice any number of creatures. This creature enters the battlefield with that many +1/+1 counters on it.) When Skullmulcher enters the battlefield, draw a card for each creature it devoured.

Trample Whenever another nontoken creature enters the battlefield under your control, you may draw a card.

Whenever you cast a spell, you gain 1 life for each spell you've cast this turn. Pay 50 life: Aetherflux Reservoir deals 50 damage to any target.

Storm (When you cast this spell, copy it for each spell cast before it this turn. Copies become tokens.) Aeve, Progenitor Ooze isn't legendary if it's a token. Aeve enters the battlefield with a +1/+1 counter on it for each other Ooze you control.

Modular 1 (This creature enters the battlefield with a +1/+1 counter on it. When it dies, you may put its +1/+1 counters on target artifact creature.)

Bonded Construct can't attack alone.

{1}, {T}: Put a +1/+1 counter on Chronomaton.

Clockwork Beetle enters the battlefield with two +1/+1 counters on it. Whenever Clockwork Beetle attacks or blocks, remove a +1/+1 counter from it at end of combat.

Cryptic Trilobite enters the battlefield with X +1/+1 counters on it. Remove a +1/+1 counter from Cryptic Trilobite: Add {C}{C}. Spend this mana only to activate abilities. {1}, {T}: Put a +1/+1 counter on Cryptic Trilobite.

{2}, {T}: Put a +1/+1 counter on Drillworks Mole and a +1/+1 counter on up to one target commander creature you control.

Endless One enters the battlefield with X +1/+1 counters on it.

Defender {1}, {T}: Mill a card. (Put the top card of your library into your graveyard.)

Haste {1}: Gingerbrute can't be blocked this turn except by creatures with haste. {2}, {T}, Sacrifice Gingerbrute: You gain 3 life.

Hangarback Walker enters the battlefield with X +1/+1 counters on it. When Hangarback Walker dies, create a 1/1 colorless Thopter artifact creature token with flying for each +1/+1 counter on Hangarback Walker. {1}, {T}: Put a +1/+1 counter on Hangarback Walker.

When Haywire Mite dies, you gain 2 life. {G}, Sacrifice Haywire Mite: Exile target noncreature artifact or noncreature enchantment.

Sacrifice Heap Doll: Exile target card from a graveyard.

Flying Sacrifice Hope of Ghirapur: Until your next turn, target player who was dealt combat damage by Hope of Ghirapur this turn can't cast noncreature spells.

When Inquisitive Puppet enters the battlefield, scry 1. Exile Inquisitive Puppet: Create a 1/1 white Human creature token.

Iron Apprentice enters the battlefield with a +1/+1 counter on it. When Iron Apprentice dies, if it had counters on it, put those counters on target creature you control.

You may look at face-down creatures you don't control any time.

{5}, {T}, Sacrifice Lightning-Core Excavator: It deals 3 damage to any target.

{4}: Locthwain Gargoyle gets +2/+0 and gains flying until end of turn.

{2}, {T}: Shuffle your library.

When Myr Moonvessel dies, add {C}.

Sacrifice Myr Scrapling: Put a +1/+1 counter on target creature.

Whenever this creature mutates, put a +1/+1 counter on it.

Flying

Psychosis Crawler's power and toughness are each equal to the number of cards in your hand. Whenever you draw a card, each opponent loses 1 life.

Flying {2}: Roterothopter gets +1/+0 until end of turn. Activate no more than twice each turn.

Battle cry (Whenever this creature attacks, each other attacking creature gets +1/+0 until end of turn.) Signal Pest can't be blocked except by creatures with flying or reach.

When Sparring Construct dies, put a +1/+1 counter on target creature you control.

Protection from multicolored (This creature can't be blocked, targeted, dealt damage, enchanted, or equipped by anything multicolored.) Whenever a nonbasic land enters the battlefield under an opponent's control, you gain 1 life.

Defender (This creature can't attack.)

Reach, trample, protection from multicolored Stonecoil Serpent enters the battlefield with X +1/+1 counters on it.

When an opponent casts a creature spell, sacrifice Straw Golem.

Ugin's Conjurant enters the battlefield with X +1/+1 counters on it. If damage would be dealt to Ugin's Conjurant while it has a +1/+1 counter on it, prevent that damage and remove that many +1/+1 counters from Ugin's Conjurant.

Changeling (This card is every creature type.)

{T}: Untap target Forest.

{T}: Add {G} for each creature you control.

As an additional cost to cast this spell, sacrifice a land. Search your library for a land card, put that card onto the battlefield, then shuffle.

Search your library for up to two basic land cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle.

{T}: Add {G}.

{2}{G}, {T}, Sacrifice Oashra Cultivator: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Green creature spells you cast cost {1} less to cast. Whenever you cast a creature spell, target creature you control gets +2/+2 and gains trample until end of turn.

Sacrifice Sakura-Tribe Elder: Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

Choose a permanent type. Return all cards of the chosen type from your graveyard to your hand. Flashback {5}{G}{G} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Flash Reach When Endurance enters the battlefield, up to one target player puts all the cards from their graveyard on the bottom of their library in a random order. Evoke—Exile a green card from your hand.

Destroy target permanent. Its controller creates a 3/3 green Beast creature token.

{1}{G}, Sacrifice Caustic Caterpillar: Destroy target artifact or enchantment.

Draw a card for each creature you control.

Creatures you control have "{T}: Add one mana of any color."

Whenever a nontoken creature enters the battlefield under your control, if it doesn't have the same name as another creature you control or a creature card in your graveyard, draw a card.

{2}: Target red creature gains haste until end of turn.

Whenever you draw your second card each turn, create a 2/2 green Cat creature token. {4}{G}{G}: Until end of turn, creatures you control have base power and toughness X/X, where X is the number of cards in your hand.

At the beginning of each player's precombat main phase, that player adds {G}{G}.

You may look at the top card of your library any time. You may cast artifact spells and colorless spells from the top of your library. {T}, Pay 1 life: Exile the top card of your library.

Defender Whenever Shield Sphere blocks, put a -0/-1 counter on it.