Kicker (You may pay an additional as you cast this spell.)
When Gatekeeper of Malakir enters the battlefield, if it was kicked, target player sacrifices a creature.

Cycling (, Discard this card: Draw a card.)
When you cycle Gempalm Polluter, you may have target player lose life equal to the number of Zombies on the battlefield.

Gemstone Mine enters the battlefield with three mining counters on it.
, Remove a mining counter from Gemstone Mine: Add one mana of any color. If there are no mining counters on Gemstone Mine, sacrifice it.

When you cast this spell, reveal the top X cards of your library. You may put a nonland permanent card with converted mana cost X or less from among them onto the battlefield. Then shuffle the rest into your library.
Genesis Hydra enters the battlefield with X +1/+1 counters on it.

[+1]: Until end of turn, Gideon, Ally of Zendikar becomes a 5/5 Human Soldier Ally creature with indestructible that's still a planeswalker. Prevent all damage that would be dealt to him this turn.
[0]: Create a 2/2 white Knight Ally creature token.
[−4]: You get an emblem with "Creatures you control get +1/+1."

Haste (This creature can attack and as soon as it comes under your control.)
Other Goblin creatures you control get +1/+1 and have haste.

As an additional cost to cast this spell, sacrifice a Goblin.
Goblin Grenade deals 5 damage to any target.

Draw four cards, then discard three cards at random.

Vigilance
: Create an 8/8 Beast creature token that's red, green, and white.

Flying
Whenever Goldenglow Moth blocks, you may gain 4 life.

When Golgari Thug dies, put target creature card from your graveyard on top of your library.
Dredge 4 (If you would draw a card, you may mill four cards instead. If you do, return this card from your graveyard to your hand.)

Partner with Virtus the Veiled (When this creature enters the battlefield, target player may put Virtus into their hand from their library, then shuffle.)
Vigilance
Gorm the Great must be blocked if able, and Gorm must be blocked by two or more creatures if able.

Morph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its morph cost.)
Whenever another nontoken creature you control dies, draw a card.

Return target creature card from your graveyard to your hand.
Recover (When a creature is put into your graveyard from the battlefield, you may pay . If you do, return this card from your graveyard to your hand. Otherwise, exile this card.)

Create two 2/2 green Bear creature tokens.
Threshold — Create four 2/2 green Bear creature tokens instead if seven or more cards are in your graveyard.
Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Trample, haste
At the beginning of the end step, sacrifice Groundbreaker.

, , Discard a card: Destroy all artifacts with converted mana cost X or less.

Creatures you control have haste.
, , Sacrifice a land: Create a 3/3 colorless Golem enchantment artifact creature token.

Draw three cards.