Flying

If you would gain life, you gain that much life plus 1 instead.

Angel of Vitality gets +2/+2 as long as you have 25 or more life.

Formidable — : Atarka Beastbreaker gets +4/+4 until end of turn. Activate this ability only if creatures you control have total power 8 or greater.

Whenever Blood Artist or another creature dies, target player loses 1 life and you gain 1 life.

, : Look at the top four cards of your library. You may reveal a creature card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

Rally — Whenever Chasm Guide or another Ally enters the battlefield under your control, creatures you control gain haste until end of turn.

Whenever you activate an ability of an artifact or creature that isn't a mana ability, Crackdown Construct gets +1/+1 until end of turn.

Enchant creature with another Aura attached to it

Enchanted creature gets +3/+3 and has first strike, vigilance, and lifelink. (Damage dealt by the creature also causes its controller to gain that much life.)

When Dreadhorde Twins enters the battlefield, amass 2. (Put two +1/+1 counters on an Army you control. If you don't control one, create a 0/0 black Zombie Army creature token first.)

Zombie tokens you control have trample.

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

Exalted (Whenever a creature you control attacks alone, that creature gets +1/+1 until end of turn.)

Reach

Other Elf creatures you control get +1/+1.

Whenever Dwynen, Gilt-Leaf Daen attacks, you gain 1 life for each attacking Elf you control.

You may have Estrid's Invocation enter the battlefield as a copy of any enchantment you control, except it has "At the beginning of your upkeep, you may exile this enchantment. If you do, return it to the battlefield under its owner's control."

Fiery Temper deals 3 damage to any target.

Madness (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Vigilance (Attacking doesn't cause this creature to tap.)

Devoid (This card has no color.)

Colorless spells you cast cost less to cast.

U

Council's dilemma — When Lieutenants of the Guard enters the battlefield, starting with you, each player votes for strength or numbers. Put a +1/+1 counter on Lieutenants of the Guard for each strength vote and create a 1/1 white Soldier creature token for each numbers vote.

Lifelink

Markov Crusader has haste as long as you control another Vampire.

Haste

Rally — Whenever Munda, Ambush Leader or another Ally enters the battlefield under your control, you may look at the top four cards of your library. If you do, reveal any number of Ally cards from among them, then put those cards on top of your library in any order and the rest on the bottom in any order.

When Protector of the Crown enters the battlefield, you become the monarch.

All damage that would be dealt to you is dealt to Protector of the Crown instead.

When Shaman of Spring enters the battlefield, draw a card.

Flying, first strike, vigilance, lifelink

When Thalia's Lieutenant enters the battlefield, put a +1/+1 counter on each other Human you control.

Whenever another Human enters the battlefield under your control, put a +1/+1 counter on Thalia's Lieutenant.

Vigilance (Attacking doesn't cause this creature to tap.)

Renown 1 (When this creature deals combat damage to a player, if it isn't renowned, put a +1/+1 counter on it and it becomes renowned.)

Look at the top seven cards of your library. You may put a creature card from among them onto the battlefield. Put the rest on the bottom of your library in a random order. When a creature is put onto the battlefield this way, it deals damage equal to its power to target creature an opponent controls.