(: Add , , or .)
This land enters tapped.
Cycling (, Discard this card: Draw a card.)

Indestructible
As this creature enters, choose a player.
Whenever this creature is dealt damage, it deals that much damage to the chosen player.
: This creature deals 1 damage to itself.

This artifact enters with three wish counters on it.
, , Remove a wish counter from this artifact: Search your library for a card, put it into your hand, then shuffle. An opponent gains control of this artifact. Activate only during your turn.

Target opponent puts the cards from their hand on top of their library. Search that player's library for that many cards. The player puts those cards into their hand, then shuffles.

+1: Look at the top card of your library. You may reveal that card and put it into your hand. If you do, you lose life equal to its mana value.
−2: Create a 2/3 black Vampire creature token with flying and lifelink.
−7: Sorin deals 13 damage to any target. You gain 13 life.

Choose a creature type. Destroy all creatures that aren't of the chosen type.

If a source you control would deal damage to a permanent or player, it deals triple that damage to that permanent or player instead.

Flying, firebending 2
Whenever you waterbend, earthbend, firebend, or airbend, draw a card. Then if you've done all four this turn, transform Avatar Aang.

(: Add , , or .)
This land enters tapped.
Cycling (, Discard this card: Draw a card.)

Whenever a creature you control deals combat damage to a player, put a +1/+1 counter on that creature.
Unlock Ability — Creatures you control with +1/+1 counters on them have reach and trample.

White spells you cast cost less to cast.

When Urza enters, create a 0/0 colorless Construct artifact creature token with "This token gets +1/+1 for each artifact you control."
Tap an untapped artifact you control: Add .
: Shuffle your library, then exile the top card. Until end of turn, you may play that card without paying its mana cost.

Each player sacrifices all permanents they control that are one or more colors.

Creatures you control get +1/+1.

Whenever you attack a player, tap target creature that player controls and goad it. (Until your next turn, that creature attacks each combat if able and attacks a player other than you if able.)
Whenever an opponent attacks another one of your opponents, you and the attacking player each draw a card and lose 1 life.

Choose two —
• Counter target spell.
• Return target permanent to its owner's hand.
• Tap all creatures your opponents control.
• Draw a card.

: Add .
Channel — , Discard this card: Mill three cards, then return a creature or planeswalker card from your graveyard to your hand. This ability costs less to activate for each legendary creature you control.

Flash
When this creature enters, copy target instant or sorcery spell. You may choose new targets for the copy.

Flash
Flying
If a source would deal damage to you or a Hero you control, prevent all but 1 of that damage.

Untap all permanents you control during each other player's untap step.