Mighty Leap

Target creature gets +2/+2 and gains flying until end of turn.

Linden, the Steadfast Queen

Vigilance (Attacking doesn't cause this creature to tap.)
Whenever a white creature you control attacks, you gain 1 life.

Territorial Hammerskull

Whenever this creature attacks, tap target creature an opponent controls.

Odric, Lunarch Marshal

At the beginning of each combat, creatures you control gain first strike until end of turn if a creature you control has first strike. The same is true for flying, deathtouch, double strike, haste, hexproof, indestructible, lifelink, menace, reach, skulk, trample, and vigilance.

Serra Angel

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

Banishing Light

When this enchantment enters, exile target nonland permanent an opponent controls until this enchantment leaves the battlefield.

Valorous Stance

Choose one —
• Target creature gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.)
• Destroy target creature with toughness 4 or greater.

Thriving Heath

This land enters tapped. As it enters, choose a color other than white.
{T}: Add {W} or one mana of the chosen color.

Mesa Unicorn

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

Pacifism

Enchant creature
Enchanted creature can't attack or block.

Alpine Watchdog

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

Silverbeak Griffin

Flying (This creature can't be blocked except by creatures with flying or reach.)