Creatures you control get +1/+1 until end of turn. Untap them.

As long as you control a Chandra planeswalker, Renegade Firebrand gets +1/+0 and has first strike. (It deals combat damage before creatures without first strike.)

You may pay rather than pay the mana cost for Zombie creature spells you cast.

Strive — This spell costs more to cast for each target beyond the first.
Any number of target creatures each get +2/+0 and gain trample until end of turn.

Constellation — Whenever an enchantment enters the battlefield under your control, target player mills two cards.

Trample

Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.)

Equipped creature gets +2/+0, has vigilance, and is a Knight in addition to its other types.
Whenever equipped creature attacks, create a 2/2 white Knight creature token with vigilance that's attacking.
Equip

Whenever Somberwald Vigilante becomes blocked by a creature, Somberwald Vigilante deals 1 damage to that creature.

Enchant creature
Whenever enchanted creature is dealt damage, it deals that much damage to its controller.

Your opponents can't search libraries.
If an opponent would begin an extra turn, that player skips that turn instead.

Target creature gets +2/+2 until end of turn. If you control an Equipment, create a 1/1 white Human Soldier creature token.

When Tenacious Dead dies, you may pay . If you do, return it to the battlefield tapped under its owner's control.

: Create a 1/1 white Human creature token.
Fateful hour — As long as you have 5 or less life, other creatures you control get +2/+2.

Tormented Soul can't block and can't be blocked.

, Tap an untapped creature you control: Transform Town Gossipmonger.

When Trusty Packbeast enters the battlefield, return target artifact card from your graveyard to your hand.

Changeling (This card is every creature type.)
Whenever you or a permanent you control becomes the target of a spell or ability an opponent controls, counter that spell or ability unless its controller pays .

Sacrifice a creature: Scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)

Defender (This creature can't attack.)
Reach (This creature can block creatures with flying.)