Counter target spell that targets a permanent you control.

This creature enters with X +1/+1 counters on it.
When this creature dies, create a 1/1 colorless Thopter artifact creature token with flying for each +1/+1 counter on this creature.
, : Put a +1/+1 counter on this creature.

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.
, Pay 1 life: Exile the top card of your library.

Vigilance
Whenever this creature enters or attacks, exile a card from a graveyard.
Spells you cast cost less to cast for each card type they share with cards exiled with this creature.

Whenever a player casts a spell, that player discards X cards, where X is the number of cards in all graveyards with the same name as that spell.

Whenever a creature you control attacks, you may put a quest counter on this enchantment.
As long as this enchantment has seven or more quest counters on it, creatures you control get +5/+5.

Whenever a creature dies, you may have this enchantment deal damage to target player equal to the number of cards in that player's hand.

Whenever you cast an instant or sorcery spell, you may pay . If you do, copy that spell. You may choose new targets for the copy.
Whenever another nontoken creature you control enters, you may pay . If you do, create a token that's a copy of that creature.

If a creature dying causes a triggered ability of a permanent you control to trigger, that ability triggers an additional time.
Creature tokens you control have vigilance and lifelink.

If you would draw a card while your library has no cards in it, you win the game instead.

You draw two cards and lose 2 life.

Choose three. You may choose the same mode more than once.
• Counter target spell unless its controller pays .
• Return target creature to its owner's hand.
• Draw a card.

: Add .
: Add one mana of any color. Spend this mana only to cast a legendary spell.
: Add one mana of any color among legendary permanents you control.
, , Exile this land: Target legendary creature gains hexproof and indestructible until end of turn.

Double strike, vigilance, haste
Exhaust — , : Add three mana of any one color. (Activate each exhaust ability only once.)
Exhaust — , : Draw three cards.
Exhaust — , : Loot deals 3 damage to any target.

Artifact creatures and Heroes you control get +1/+1 for each Artificer you control and each Artificer card in your graveyard.
A deck can have any number of cards named Cid, Timeless Artificer.
Cycling (, Discard this card: Draw a card.)

Whenever you cast a spell you don't own, create a 3/3 black Demon creature token.
+1: Draw a card. For each opponent, exile up to one target instant or sorcery card from that player's graveyard and put a page counter on it.
−3: You may cast a spell from among cards in exile with page counters on them without paying its mana cost.
Tasha, the Witch Queen can be your commander.

Training (Whenever this creature attacks with another creature with greater power, put a +1/+1 counter on this creature.)
, , Discard a card: Vikya, Scorching Stalwart deals damage equal to its power to any target. If excess damage was dealt to a creature this way, draw a card. ( is the untap symbol.)

Create X tokens that are copies of target artifact or creature you control. Those tokens gain haste until end of turn. Sacrifice them at the beginning of the next end step.

Choose target creature. Whenever that creature is dealt damage this turn, it deals that much damage to each other creature and each player.

You may choose not to untap this creature during your untap step.
: For as long as this creature remains tapped, target tapped creature doesn't untap during its controller's untap step, and at the beginning of each of your draw steps, put a -1/-1 counter on that creature. When this creature leaves the battlefield or becomes untapped, remove all -1/-1 counters from the creature.