Enchant creature
Whenever enchanted creature attacks, put a +1/+1 counter on it. Then if it has three or more +1/+1 counters on it, sacrifice Ordeal of Pharika.
Whenever you sacrifice Ordeal of Pharika, creatures your opponents control get -2/-2 until end of turn.

Until end of turn, target creature you control gets +2/+2 and gains “Whenever this creature is dealt damage, you may have it fight target creature you don't control.” Then, it fights target creature you don't control.

Target creature you control gains hexproof until end of turn. When a nonmana ability of that creature is next activated or triggered this turn, copy it. You may choose new targets for the copy.

Exile target creature or planeswalker. Its controller loses 2 life.

Counter target spell. That spell's controller reveals their hand. Choose any number of nonland cards from it. That player puts those cards on the bottom of their library in any order, then draws that many cards.

This spell costs {2} less to cast if it targets a creature you control with power 4 or greater.
Target creature you control deals damage equal to its power to target creature you don't control.

Exile target creature. Tap up to two other target creatures if the exiled creature had power 3 or less.

Search your library for a creature card with mana value 2 or less, put it onto the battlefield tapped, then shuffle.

Create a 3/1 red Dinosaur creature token. When you do, pay for and choose any number.
+{G} — Put a trample counter on target creature you control.
+{U} — Put a +1/+1 counter on target creature you control.
+{R} — Put a haste counter on target creature you control.

Ozzen Headquarters enters tapped.
{T}: Add {W} or {B}.
{T}, Discard another card named Ozzen Headquarters: Draw a card.

Choose one. For every two different creature types among creatures you control, you may choose another —
• Target creature gets +3/+3 until end of turn.
• Target creature you control fights another target creature.
• Add three mana of any one type.
• Draw a card.

You draw two cards, lose 2 life, and mill two cards.

Create a token that's a copy of target creature you control, except it has haste. Sacrifice it at the beginning of the next end step. If {G} was spent this spell, the token must be blocked each combat this turn if able. If {B} was spent to cast this spell, the token gains deathtouch.

Choose up to one for each color among red, green, and white among permanents you control.
• Target player creates a 2/2 red Berserker creature token with haste and “This creature can't block.”
• Creatures target player controls get +2/+0 until end of turn.
• Each creature you control deals damage equal to its power to target creature.

Penrath District enters tapped unless you control a Mountain, a Forest, and a Plains.
{T}: Add {R}, {G}, or {W}.

Each player who controls an artifact or enchantment creates a 2/2 white Mouse creature token. Then destroy all artifacts and enchantments.

{T}: Add one mana of any color.
{1}{VP}{VP}{VP}, {T}, Sacrifice Petabyte Prism: Draw two cards.

Choose one. If your devotion to green is three or greater, you may choose another. The same is true for devotion to black.
• Create a 1/1 black Snake creature token with deathtouch.
• Creatures you control gain indestructible until end of turn.
• Prevent all damage that would be dealt to you this turn.

Choose one. If your devotion to blue is three or greater, you may choose another. The same is true for devotion to black.
• Target player mills eight cards.
• You gain 1 life for each card type among cards in your opponents' graveyards.
• Draw a card.

When Phenax's Touch enters, each opponent discards a card and loses 1 life.
{1}{B}, Sacrifice Phenax's Touch: You draw a card and you lose 1 life.

Exile the top two cards of your library. Until the end of your next turn, you may play those cards. Cards exiled this way cost {2} less to cast if they're instants, sorceries, or Elementals.

Return up to one target artifact, enchantment, or land card from your graveyard to your hand.
Create two Berry tokens.

Amity — When you cast this spell, copy it if you attacked with exactly two creatures this turn. You may choose new targets for the copy.
Target creature gets +0/+2 and gains hexproof until end of turn.

Enchant artifact, creature, or planeswalker
When you control a permanent with mana value greater than enchanted permanent's mana value, exile enchanted permanent.