Creatures you control have menace. (They can't be blocked except by two or more creatures.)

: Add .
, : Target creature can't be blocked this turn.

, , Discard a card: Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

Flying, haste
Whenever you cast a noncreature spell, put a +1/+1 counter on this creature.

Up to two target creatures each get +1/+0 and gain first strike until end of turn. (They deal combat damage before creatures without first strike.)

Whenever you cast your second spell each turn, this creature gets +2/+0 until end of turn and can't be blocked this turn.

(: Add or .)
This land enters tapped unless you control two or more basic lands.

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.

Flying
Whenever this creature attacks, exile another target creature. Return that card to the battlefield under its owner's control at the beginning of the next end step.

Search your library for a basic land card, put it onto the battlefield, then shuffle.
Suspend 2— (Rather than cast this card from your hand, you may pay and exile it with two time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, you may cast it without paying its mana cost.)

(: Add .)

Destroy target creature or planeswalker.

You can cast spells only during your turn and you can cast no more than two spells each turn.
You may cast spells with mana value less than or equal to the number of lands you control without paying their mana costs.

When this enchantment enters, exile another target nonland permanent.
When this enchantment leaves the battlefield, return the exiled card to the battlefield under its owner's control.

When this creature enters, you may search your library for up to three cards named Skyshroud Sentinel, reveal them, put them into your hand, then shuffle.

Exile target nonland card in a graveyard that was put there from anywhere this turn. Copy it. You may cast the copy without paying its mana cost.

Target creature gets +3/+1 until end of turn. If it's your turn, that creature gains trample until end of turn. Otherwise, it gains first strike until end of turn. (A creature with trample can deal excess combat damage to the player or planeswalker it's attacking. A creature with first strike deals combat damage before creatures without first strike.)

Flying
Whenever this creature becomes tapped, you gain 1 life.

Raid — When this creature enters, if you attacked this turn, add .

Flying
When this creature enters, you gain 2 life and draw two cards.