: Add .
, : Add , , or .

When this creature enters, you may return target creature card from your graveyard to your hand.

Devoid (This card has no color.)
Haste
At the beginning of each end step, if you control no other colorless creatures, return this creature to its owner's hand.

As long as you control an artifact, this creature gets +1/+0 and has deathtouch.

, Sacrifice this land: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Visit — Target creature gains flying until end of turn, or until any player rolls a 1, whichever comes first.

Kicker (You may pay an additional as you cast this spell.)
Destroy target artifact or enchantment. If this spell was kicked, it deals damage equal to that permanent's mana value to target creature.

Reveal the top five cards of your library. You may put a creature card from among them into your hand. Put the rest into your graveyard.
Spell mastery — If there are two or more instant and/or sorcery cards in your graveyard, put up to two creature cards from among the revealed cards into your hand instead of one.

Reach
When this creature enters, you may search your library for a basic land card, reveal it, then shuffle and put that card on top.

Whenever this creature deals combat damage to a player, target instant or sorcery card in your graveyard gains flashback until end of turn. The flashback cost is equal to its mana cost. That card gains flashback until end of turn instead if this creature is saddled. (You may cast that card from your graveyard for its flashback cost. Then exile it.)
Saddle 3

Cone of Flame deals 1 damage to any target, 2 damage to another target, and 3 damage to a third target.

Haste (This creature can attack and as soon as it comes under your control.)

Reach
Whenever a creature with flying attacks you or a planeswalker you control, this creature deals damage equal to its power to that creature.

Battle cry (Whenever this creature attacks, each other attacking creature gets +1/+0 until end of turn.)
When this creature enters or dies, create a 1/1 black Bat creature token with flying.

Eerie — Whenever an enchantment you control enters and whenever you fully unlock a Room, this creature gains lifelink until end of turn.

Target player discards two cards.

Whenever another creature you control with power 2 or less enters, you may pay . If you do, draw a card.

(: Add .)

Chain Reaction deals X damage to each creature, where X is the number of creatures on the battlefield.

Scorching Spear deals 1 damage to any target.