Draw two cards, then discard two cards. Untap up to three lands.

Lava Spike deals 3 damage to target player or planeswalker.

Skulk (This creature can't be blocked by creatures with greater power.)
Whenever Gregor, Shrewd Magistrate deals combat damage to a player, draw cards equal to its power.

Suspend 3—
Each player exiles all creature cards from their graveyard, then sacrifices all creatures they control, then puts all cards they exiled this way onto the battlefield.

Whenever you attack with one or more Zombies, draw that many cards, then discard that many cards. You gain that much life.
, Exile two cards from your graveyard: Create a tapped 2/2 black Zombie creature token.

Search your library for a sorcery card, reveal it, then shuffle and put that card on top.

, Discard a creature card: Return target creature card from your graveyard to your hand.

When this creature enters, search your library for any number of Goblin cards, reveal them, then shuffle and put those cards on top in any order.

Counter target activated or triggered ability. (Mana abilities can't be targeted.)

When Uro enters, sacrifice it unless it escaped.
Whenever Uro enters or attacks, you gain 3 life and draw a card, then you may put a land card from your hand onto the battlefield.
Escape—, Exile five other cards from your graveyard. (You may cast this card from your graveyard for its escape cost.)

(: Add or .)
As this land enters, you may pay 2 life. If you don't, it enters tapped.

When this creature enters or dies, mill three cards. (Put the top three cards of your library into your graveyard.)

: Add one mana of any color.
Tap an untapped legendary creature you control: Add one mana of any color.

Put a +1/+1 counter on target creature. It phases out. (Treat it and anything attached to it as though they don't exist until its controller's next turn.)

, , Sacrifice another creature: Draw X cards, where X is that creature's power.
Choose a Background (You can have a Background as a second commander.)

Exile target creature you control, then return it to the battlefield under its owner's control.
Rebound (If you cast this spell from your hand, exile it as it resolves. At the beginning of your next upkeep, you may cast this card from exile without paying its mana cost.)

When you cast this spell, exile two target permanents.
Indestructible
Whenever Ulamog attacks, defending player exiles the top twenty cards of their library.

This land enters tapped.
: Add .
, Sacrifice this land: Add .

Flying
When this creature enters, gain control of target creature for as long as this creature remains on the battlefield.

This spell can't be countered.
Flying, haste
: Inferno of the Star Mounts gets +1/+0 until end of turn. When its power becomes 20 this way, it deals 20 damage to any target.

: Add .
: Add or . This artifact deals 1 damage to you.

Whenever a Warrior attacks, you may have its controller create a 1/1 white Warrior creature token that's tapped and attacking.
: Untap all attacking creatures. They gain trample, lifelink, and haste until end of turn. After this phase, there is an additional combat phase. Activate only during combat.

Demonstrate (When you cast this spell, you may copy it. If you do, choose an opponent to also copy it.)
Mill five cards, then return a creature card from your graveyard to the battlefield.

Other Dinosaurs you control have haste.
When this creature enters, create a 3/3 green Dinosaur creature token with trample.

When this creature enters, each opponent loses 1 life and you gain 1 life.
Sacrifice a Food: Return this card from your graveyard to the battlefield.

Target permanent you control gains hexproof and indestructible until end of turn. You gain 2 life. (A permanent with hexproof and indestructible can't be the target of spells or abilities your opponents control. Damage and effects that say "destroy" don't destroy it.)

This land enters tapped.
When this land enters, exile target player's graveyard.
: Add .

: Search your library for a Sliver card, reveal that card, put it into your hand, then shuffle.
: Gain control of target Sliver. (This effect lasts indefinitely.)

Add for each Goblin on the battlefield.

You can't play lands.
Sacrifice a land: Draw two cards. Activate only once each turn.

When this artifact enters or is put into a graveyard from the battlefield, you may search your library for a basic land card, reveal it, put it into your hand, then shuffle.

Whenever a creature is exiled from the battlefield, put a +1/+1 counter on this creature.
At the beginning of your end step, you may exile another target creature you control, then return that card to the battlefield under its owner's control.

When this creature enters, you may search your library for a creature card, put that card into your graveyard, then shuffle.
Unearth (: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

If you control a commander, you may cast this spell without paying its mana cost.
Exile target creature.

When this creature enters, you may search your library for a basic land card, reveal it, put it into your hand, then shuffle.

, : Add .