When you cast this spell, if you have fewer than seven cards in hand, draw cards equal to the difference.
Menace
Discard a card with mana value X: Counter target spell with mana value X.

When Matter Reshaper dies, reveal the top card of your library. You may put that card onto the battlefield if it's a permanent card with mana value 3 or less. Otherwise, put that card into your hand.

When Thought-Knot Seer enters the battlefield, target opponent reveals their hand. You choose a nonland card from it and exile that card.
When Thought-Knot Seer leaves the battlefield, target opponent draws a card.

Choose a color. White creatures you control gain protection from the chosen color until end of turn.

Exile any number of target creatures you control. Return those cards to the battlefield under their owner's control at the beginning of the next end step.

Devoid
: Exile another target creature, then return it to the battlefield tapped under its owner's control.

Enchant creature
Enchanted creature gets +1/+1 for each enchantment you control and has first strike.

Protection from multicolored
Whenever an opponent casts a multicolored spell, you gain 1 life.

You may have Clever Impersonator enter the battlefield as a copy of any nonland permanent on the battlefield.

Counter target instant spell.

Whenever Zulaport Cutthroat or another creature you control dies, each opponent loses 1 life and you gain 1 life.

Whenever a player casts a spell with mana value 3 or less, Eidolon of the Great Revel deals 2 damage to that player.

Fiery Impulse deals 2 damage to target creature.
Spell mastery — If there are two or more instant and/or sorcery cards in your graveyard, Fiery Impulse deals 3 damage instead.

This spell can't be countered.
Rending Volley deals 4 damage to target white or blue creature.

Play with the top card of your library revealed.
You may play lands from the top of your library.
Landfall — Whenever a land enters the battlefield under your control, you gain 1 life.

Enchant land
When Nylea's Presence enters the battlefield, draw a card.
Enchanted land is every basic land type in addition to its other types.

When Satyr Wayfinder enters the battlefield, reveal the top four cards of your library. You may put a land card from among them into your hand. Put the rest into your graveyard.

Devoid
When you cast this spell, exile target artifact, enchantment, or land.
Reach
, Sacrifice a land: Return World Breaker from your graveyard to your hand.

When Reflector Mage enters the battlefield, return target creature an opponent controls to its owner's hand. That creature's owner can't cast spells with the same name as that creature until your next turn.

When Shaman of the Pack enters the battlefield, target opponent loses life equal to the number of Elves you control.

Sliver creatures you control have indestructible.

, Pay 1 life: Add one mana of any color.

: Add .
: Mutavault becomes a 2/2 creature with all creature types until end of turn. It's still a land.

: Add .
, : Choose a color. Add an amount of mana of that color equal to your devotion to that color. (Your devotion to a color is the number of mana symbols of that color in the mana costs of permanents you control.)

: Add .