Wall creatures you control get +1/+0 and have 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.)

Affinity for Gates (This spell costs less to cast for each Gate you control.)
This creature can't be blocked by creatures with power 2 or less.
Whenever a Gate you control enters, you may put this card from your graveyard on top of your library.

, : Create a 2/2 colorless Homunculus creature token. It must be represented by a unique hand and two fingers at all times, or it ceases to exist.

When this creature enters, you may destroy target artifact or enchantment.

( represents colorless mana.)
Target creature gets +3/-3 until end of turn.

Whenever you cast an instant or sorcery spell, you may pay . If you do, copy that spell. You may choose new targets for the copy.

As an additional cost to cast this spell, sacrifice an artifact or creature.
Draw two cards and create a Treasure token. (It's an artifact with ", Sacrifice this token: Add one mana of any color.")

Whenever another creature you control enters, you gain 1 life. If it's a Spider, put a +1/+1 counter on it.

When this creature enters, look at the top four cards of your library. Put one of them into your hand and the rest into your graveyard.

Equipped creature gets +2/+0.
Equip (: Attach to target creature you control. Equip only as a sorcery.)

Spree (Choose one or more additional costs.)
+ — Caught in the Crossfire deals 2 damage to each outlaw creature. (Assassins, Mercenaries, Pirates, Rogues, and Warlocks are outlaws.)
+ — Caught in the Crossfire deals 2 damage to each non-outlaw creature.

Enchant permanent
When this Aura enters, you gain 4 life.
Enchanted permanent can't attack or block, and its activated abilities can't be activated unless they're mana abilities.

First strike
Whenever you cycle a card, this creature gets +2/+0 until end of turn.

Exile all creatures and Spacecraft.

When this creature becomes the target of a spell or ability, sacrifice it.
When this creature dies, draw a card.

Other creatures you control get +1/+1.
Landfall — Whenever a land you control enters, create a 1/1 white Human Warrior creature token.

Flying
: Target creature gains flying until end of turn.

: This creature gets +1/-1 until end of turn.