Battle cry (Whenever this creature attacks, each other attacking creature gets +1/+0 until end of turn.)

Metalcraft — Ardent Recruit gets +2/+2 as long as you control three or more artifacts.

Put target artifact, creature, or enchantment on top of its owner's library.

Put X -1/-1 counters on each creature. Shuffle Black Sun's Zenith into its owner's library.

: Bladed Sentinel gains vigilance until end of turn.

Trample, infect, indestructible
If Blightsteel Colossus would be put into a graveyard from anywhere, reveal Blightsteel Colossus and shuffle it into its owner's library instead.

Reach (This creature can block creatures with flying.)
Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)

When Blisterstick Shaman enters the battlefield, it deals 1 damage to any target.

Target player draws X cards. Shuffle Blue Sun's Zenith into its owner's library.

Living weapon (When this Equipment enters the battlefield, create a 0/0 black Germ creature token, then attach this to it.)
Equipped creature gets +X/+X, where X is the number of creature cards in all graveyards.
Equip

: Attach target Equipment you control to target creature you control.

Burn the Impure deals 3 damage to target creature. If that creature has infect, Burn the Impure deals 3 damage to that creature's controller.

When Caustic Hound dies, each player loses 4 life.

Put a -1/-1 counter on each attacking creature.

Concussive Bolt deals 4 damage to target player or planeswalker.
Metalcraft — If you control three or more artifacts, creatures controlled by that player or by that planeswalker's controller can't block this turn.

Flying
Whenever an opponent draws a card, you may draw two cards.

Whenever a creature deals combat damage to you, that creature's controller gains control of Contested War Zone.
: Add .
, : Attacking creatures get +1/+0 until end of turn.

Equipped creature gets +2/+2 and can't block.
Equip (: Attach to target creature you control. Equip only as a sorcery.)

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)
When Core Prowler dies, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Enchant creature
You control enchanted creature.
Enchanted creature has infect. (It deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)