At the beginning of your upkeep, you may remove a counter from a permanent you control. If you don't, sacrifice this creature.

Enchant land
This Aura enters with three ore counters on it.
At the beginning of your upkeep and whenever enchanted land becomes tapped, remove an ore counter from this Aura.
When the last ore counter is removed from this Aura, destroy enchanted land and this Aura deals 2 damage to that land's controller.

Enchant creature
Enchanted creature gets +2/+2 and can't be blocked except by creatures with flavor text.

Reach, trample
Ward
Wilson, Subtle Bear can't be blocked.
, Exile Wilson from your graveyard: Target creature you control perpetually gains "This creature can't be blocked." Activate only as a sorcery.

When this creature enters, you may sacrifice another artifact. If you do, put two +1/+1 counters on this creature and it assembles a Contraption. (Put the top card of your Contraption deck face up onto one of your sprockets.)

, Sacrifice a snow land: Prevent all combat damage that would be dealt this turn.

Whenever you cast an instant or sorcery spell with mana value 3 or greater, roll a d20.
1-9 | Each player draws a card.
10-19 | You draw a card.
20 | Copy that spell. You may choose new targets for the copy.

Attacking creatures get +2/+0 until end of turn.

As an additional cost to cast this spell, discard a card.

Creatures and planeswalkers your opponents control perpetually gain "If this permanent would die, exile it instead." Brittle Blast deals 5 damage to target creature or planeswalker.

Eminence — , Discard a card: Target player reveals cards from the top of their library until they reveal a creature card with converted mana cost X or less. Put that card onto the battlefield under your control, then that player shuffles the rest into their library. Activate this ability only if M'Odo, the Gnarled Oracle is on the battlefield or in the command zone.

Whenever a creature an opponent controls dies, sacrifice this creature unless you insult that creature.

When this artifact enters, you may put an art sticker on it.
, : Until end of turn, target creature becomes a blue Shark with base power and toughness 4/4. If the cracks in this artifact's art are completely covered, that creature becomes a blue Octopus with base power and toughness 8/8 instead. Activate only as a sorcery.

Flash
When this enchantment enters, exile target nonland permanent until it (this card) leaves the battlefield, then touch it (this card) to your head. When it (this card) stops touching it (your head), sacrifice it (the card, not your head).

Cumulative upkeep (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)
All creatures get -1/-0.
: All creatures get -1/-0 until end of turn.

Whenever a 6 is rolled on a six-sided die, put a +1/+1 counter on each Bird. (You may roll dice only when instructed to.)
Tap an untapped Bird you control: Roll a six-sided die. (Like now.)

Phoebe can't be blocked by creatures with flavor text.
: Phoebe permanently steals target creature's text box. (That creature loses all rules text, flavor text, and watermarks. This creature gains them.)

Reach, trample
Ward
, Exile Wilson from your graveyard: Target creature you control perpetually gets +1/+1 and gains reach, trample, and ward . Activate only as a sorcery.

Counter target spell unless its controller pays {½}.

At the beginning of the end step, if three or more creatures died this turn, flip Kuon.

Deathtouch
At the beginning of your end step, Shadowheart, Cleric of Order deals 1 damage to each player.
Whenever you lose life during your turn, create a 2/2 white Knight creature token.

Rather than choose the indicated number of modes for spells and abilities you control, you may choose one or more modes. You can't choose any mode more than once.

You may choose not to untap this artifact during your untap step.
, : Target creature gets +2/+0 for as long as this artifact remains tapped.

This creature can't be blocked.
When this creature enters, a person outside the game looks at target opponent's hand and chooses a card from it. That player reveals that card.

Whenever a player taps a snow land for mana, that player adds one mana of any type that land produced. That land doesn't untap during its controller's next untap step.

Conductive Current deals 3 damage to each creature. Choose an instant or sorcery card in your hand. It perpetually gains "If this spell would deal noncombat damage to a permanent or player, it deals that much damage plus 2 instead."

: Destroy target blue creature.

: You may tap or untap target artifact an opponent controls.

As long as this creature is untapped, green creatures you control get +1/+1.

Premium spells cost less to cast.
Premium creatures get +1/+1.

Choose one. If you control a nonland permanent you don't own as you cast this spell, you may choose two instead.
• Heist target opponent's library.
• Target creature gets -5/-5 until end of turn.
• Counter target noncreature spell.

Flying (This creature can't be blocked except by creatures with flying or reach.)

When Guildpact Greenwalker enters, you may choose a creature card in your hand. If you do, that card perpetually incorporates and gets +4/+4.
Multicolored creatures you control have ward .

Whenever this creature attacks, it gets +1/+1 until end of turn.

Seek two creature cards from among the top ten cards of your library, then shuffle. Creature cards in your hand perpetually get +1/+1.