Whenever this creature attacks and isn't blocked, you may have defending player play with their hand revealed for as long as this creature remains on the battlefield. If you do, this creature assigns no combat damage this turn.

When this creature enters, roll to visit your Attractions.

As this enchantment enters, choose a creature type.
Creatures of the chosen type don't untap during their controllers' untap steps.

When Nephilim Epochal enters, search your library for a Nephilim card, reveal it, put it into your hand, then shuffle.
Nephilim you control get +1/+1 for each other Nephilim you control and can't be blocked by monocolored creatures.

, : The next time a source of your choice would deal damage to you this turn, that damage is dealt to target creature of an opponent's choice instead.

Flying
Whenever this creature deals combat damage to a player, you may draw a card from that player's library.

Flash
Haste
You may ignore the words "Activate only as a sorcery" while activating abilities.

0: Roll a six-sided die.
1 or 2 — [+2], then create two 1/1 green Squirrel creature tokens. They gain haste until end of turn.
3 — [−1], then return a card with mana value 2 or less from your graveyard to your hand.
4 or 5 — Comet deals damage equal to the number of loyalty counters on him to a creature or player, then [−2].
6 — [+1], and you may activate Comet's loyalty ability two more times this turn.

As this creature enters, choose an opponent.
Lost Order of Jarkeld's power and toughness are each equal to 1 plus the number of creatures the chosen player controls.

Banding (Any creatures with banding, and up to one without, can attack in a band. Bands are blocked as a group. If any creatures with banding you control are blocking or being blocked by a creature, you divide that creature's combat damage, not its controller, among any of the creatures it's being blocked by or is blocking.)

Say "Goblin S.W.A.T. Team": Put a +1/+1 counter on this creature unless an opponent swats the table within five seconds. Activate only once each turn.

Return up to two target creature cards from your graveyard to your hand. Create a Food token for each trash can you can see from your seat. (It's an artifact with ", , Sacrifice this token: You gain 3 life.")

Flash
Bargain
Flying
When Talion's Throneguard enters, return up to one target spell or nonland permanent to its owner's hand. If Talion's Throneguard was bargained, that card perpetually gains "This spell costs more to cast."

Damage that would reduce your life total to less than 1 reduces it to 1 instead.

When Dueling Coach enters, distribute two +1/+1 counters among one or two target creatures you control.
, : Put a +1/+1 counter on each creature you control with a +1/+1 counter on it.

: Reveka deals 2 damage to any target and doesn't untap during your next untap step.

: Add . Spend this mana only to cast artifact spells or activate abilities of artifacts.
Partner—Friends forever (You can have two commanders if both have this ability.)

Destroy all white permanents.

Whenever Badgey becomes tapped, each opponent loses 1 life and you gain 1 life.

When this creature enters, you may say "INCARCERATE!" in a robot voice. If you do, exile another target artifact or enchantment until this creature leaves the battlefield.

Whenever an Employee enters under your control, put a loyalty counter on Deb Thomas.
+1: Create a 1/1 red Employee creature token.
−X: Employees and Dogs you control get +X/+0 until end of turn.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)
I — Each player may put a planeswalker or Zombie card from War of the Spark from their hand or graveyard onto the battlefield.
II — Sacrifice any number of creatures and/or planeswalkers. Each opponent sacrifices that many creatures and/or planeswalkers.
III — Exile up to one target Bolas. Proliferate three times.

When this creature dies, change the base power and toughness of all creatures that dealt damage to it this turn to 0/2. (This effect lasts indefinitely.)

+1: Dragon cards in your hand perpetually gain "This spell costs less to cast," and "You may pay rather than pay this spell's mana cost, where X is its mana value."
+1: Conjure a card named Shivan Dragon into your hand.
−2: Sarkhan, Wanderer to Shiv deals 3 damage to target creature.

Choose two —
• Untap two target permanents.
• Tap each permanent target player controls with exactly one word in its name.
• Discard all the cards in your hand, then draw that many cards.
• Return target instant or sorcery card from your graveyard to your hand.

Target creature gets +3/+0 and gains trample until end of turn.

When this creature enters, creatures you control get +1/+1 until end of turn.

All creatures lose flying and islandwalk.

When this creature enters, create a 1/1 colorless Gnome artifact creature token.

Protection from modified creatures (Modified creatures have a power, toughness, or ability different than their printed versions.)
At the beginning of each player's end step, you may put a +1/+1 counter on target creature that player controls.

Mythweaver Poq's power and toughness are each equal to the number of lands you control.
Whenever one or more nontoken lands enter under your control, for each of them, conjure a duplicate of it onto the battlefield. This ability triggers only once each turn.

Other snow and Zombie creatures you control get +1/+1.
: Return Narfi, Betrayer King from your graveyard to the battlefield tapped. ( can be paid with one mana from a snow source.)

Enchant creature
This Aura enters with three net counters on it.
Enchanted creature doesn't untap during its controller's untap step if this Aura has a net counter on it.
Pay enchanted creature's mana cost: Remove a net counter from this Aura. Only the controller of the enchanted creature may activate this ability.

Choose two —
• Draw a card from an opponent's library.
• Copy target instant or sorcery spell. You may choose new targets for the copy.
• Until end of turn, target creature loses all abilities and becomes a blue Frog with base power and toughness 1/1.
• Create a 1/1 colorless Gnome artifact creature token.

Whenever a player casts a spell, counter it unless that player pays .

At the beginning of your upkeep, change Halfdane's base power and toughness to the power and toughness of target creature other than Halfdane until the end of your next upkeep.