Loxodon Lifechanter

When Loxodon Lifechanter enters the battlefield, you may have your life total become the total toughness of creatures you control.
{5}{W}: Loxodon Lifechanter gets +X/+X until end of turn, where X is your life total.

Swamp

Frilled Sea Serpent

{5}{U}{U}: Frilled Sea Serpent can't be blocked this turn.

Angel of Vitality

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.

Twinblade Paladin

Whenever you gain life, put a +1/+1 counter on Twinblade Paladin.
As long as you have 25 or more life, Twinblade Paladin has double strike. (It deals both first-strike and regular combat damage.)

Goldmane Griffin

Flying, vigilance
When Goldmane Griffin enters the battlefield, you may search your library and/or graveyard for a card named Ajani, Inspiring Leader, reveal it, and put it into your hand. If you search your library this way, shuffle.

Heart-Piercer Bow

Whenever equipped creature attacks, Heart-Piercer Bow deals 1 damage to target creature defending player controls.
Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

Plains

Meteor Golem

When Meteor Golem enters the battlefield, destroy target nonland permanent an opponent controls.

Dawning Angel

Flying
When Dawning Angel enters the battlefield, you gain 4 life.

Act of Treason

Gain control of target creature until end of turn. Untap that creature. It gains haste until end of turn. (It can attack and {T} this turn.)

Wolfkin Bond

Enchant creature
When Wolfkin Bond enters the battlefield, create a 2/2 green Wolf creature token.
Enchanted creature gets +2/+2.

Squad Captain

Vigilance
Squad Captain enters the battlefield with a +1/+1 counter on it for each other creature you control.

Inspiring Captain

When Inspiring Captain enters the battlefield, creatures you control get +1/+1 until end of turn.

Moment of Heroism

Target creature gets +2/+2 and gains lifelink until end of turn. (Damage dealt by the creature also causes its controller to gain that much life.)

Fencing Ace

Impassioned Orator

Whenever another creature enters the battlefield under your control, you gain 1 life.

Daybreak Chaplain

Lifelink (Damage dealt by this creature also causes you to gain that much life.)

Rabid Bite

Target creature you control deals damage equal to its power to target creature you don't control.

Hard Cover

Enchant creature
Enchanted creature gets +0/+2 and has "{T}: Draw a card, then discard a card."

Pacifism

Enchant creature
Enchanted creature can't attack or block.

Prismite

Glint-Horn Buccaneer

Haste
Whenever you discard a card, Glint-Horn Buccaneer deals 1 damage to each opponent.
{1}{R}, Discard a card: Draw a card. Activate only if Glint-Horn Buccaneer is attacking.