Whenever another nontoken creature you control enters, investigate.
, Sacrifice X Clues: Target opponent reveals the top X cards of their library. You may put a nonland permanent card with mana value X or less from among them onto the battlefield under your control. That player puts the rest on the bottom of their library in a random order.

Black creatures get +1/+1.

Whenever a land card is put into your graveyard from your library, you may pay . If you do, draw a card.

Whenever Emmara becomes tapped, create a 1/1 white Soldier creature token with lifelink.

Flash
When this enchantment enters, draw a card.
Creatures lose all abilities.
At the beginning of the end step, sacrifice this enchantment.

Kicker
This creature can't block.
If this creature was kicked, it enters with two +1/+1 counters on it.
Landfall — Whenever a land you control enters, if this card is in your graveyard and it's your turn, you may cast it from your graveyard this turn.

: The next time a land source of your choice would deal damage to you this turn, prevent that damage.
Cycling (, Discard this card: Draw a card.)

Return all artifacts target player owns to their hand.

Creature spells you cast cost less to cast.
Whenever another creature you control enters, this creature deals 2 damage to it. If a Dinosaur is dealt damage this way, this creature gets +2/+0 until end of turn.

All artifacts have "At the beginning of your upkeep, sacrifice this artifact unless you pay ."

: Draw a card. Activate only if you created a token this turn.
, , Sacrifice this artifact: Create a 10/10 colorless Eldrazi creature token.

Target player discards X cards at random.

Flash
When this creature enters, target instant or sorcery card in your graveyard gains flashback until end of turn. The flashback cost is equal to its mana cost. (You may cast that card from your graveyard for its flashback cost. Then exile it.)

At the beginning of each end step, if an opponent lost 3 or more life this turn, you may draw a card. (Damage causes loss of life.)

At the beginning of your upkeep, surveil 1. Then if you have seven or more cards in your graveyard, you may transform Search for Azcanta. (Look at the top card of your library. You may put that card into your graveyard.)

This creature gets +2/+2 for each Aura attached to it.
Whenever you cast an Aura spell, you may draw a card.

First strike, menace
Whenever Kari Zev attacks, create Ragavan, a legendary 2/1 red Monkey creature token. Ragavan enters tapped and attacking. Exile that token at end of combat.

Players can't search libraries. Any player may pay for that player to ignore this effect until end of turn.

Play with the top card of your library revealed.
You may cast Goblin spells from the top of your library.
As long as the top card of your library is a Goblin card, this creature has all activated abilities of that card.

Whenever you cast an instant or sorcery spell, flip a coin. If you lose the flip, return that spell to its owner's hand. If you win the flip, copy that spell, and you may choose new targets for the copy.
Partner (You can have two commanders if both have partner.)

Lifelink
Cards in graveyards can't be the targets of spells or abilities.
Disturb (You may cast this card from your graveyard transformed for its disturb cost.)

Whenever you cast a noncreature spell, put a lore counter on this artifact.
, : Target creature you control gets +1/+1 until end of turn for each lore counter on this artifact.

, : Double the amount of each type of unspent mana you have.

, Sacrifice five artifacts: Take an extra turn after this one.

This creature can't block.
This creature has haste as long as an opponent has 10 or less life.
Landfall — Whenever a land you control enters, you may return this card from your graveyard to the battlefield.

This artifact enters with a page counter on it.
Whenever your commander enters or attacks, put a page counter on this artifact.
, , Remove a page counter from this artifact: Draw a card.

Flying, lifelink
Creatures entering or dying don't cause abilities to trigger.

Other Dogs you control get +1/+1.
Whenever this creature attacks, prevent all combat damage that would be dealt this turn to Dogs you control.

Other Dwarves you control get +1/+0.
Whenever a Dwarf you control becomes tapped, create a Treasure token.
Sacrifice five Treasures: Search your library for an artifact or Dragon card, put that card onto the battlefield, then shuffle.

Black spells you cast cost less to cast.

Exile target creature you don't control. For each creature exiled this way, its controller searches their library for a basic land card. Those players put those cards onto the battlefield tapped, then shuffle.
Overload (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

At the beginning of your upkeep, create a colorless artifact token named Land Mine with ", Sacrifice this token: This token deals 2 damage to target attacking creature without flying." Then flip a coin. If you lose the flip, this creature deals 2 damage to itself.

Whenever a player casts a spell with mana value 3 or less, this creature deals 2 damage to that player.

Whenever this creature becomes the target of a spell, this creature deals 2 damage to that spell's controller.

As this creature enters, choose a nonland card name.
Spells with the chosen name can't be cast.

When this creature enters, put a +1/+1 counter on each other Human you control.
Whenever another Human you control enters, put a +1/+1 counter on this creature.