Mighty Leap

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

Linden, the Steadfast Queen

Vigilance
Whenever a white creature you control attacks, you gain 1 life.

Aerial Responder

Savannah Lions

Plains

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.

Pacifism

Enchant creature
Enchanted creature can't attack or block.

Mesa Unicorn

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

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.

Canyon Jerboa

Landfall — Whenever a land you control enters, creatures you control get +1/+1 until end of turn.

Alpine Watchdog

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

Search Party Captain

This spell costs {1} less to cast for each creature you attacked with this turn.
When Search Party Captain enters, draw a card.

Banishing Light

When Banishing Light enters, exile target nonland permanent an opponent controls until Banishing Light leaves the battlefield.

Silverbeak Griffin

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

Serra Angel

Territorial Hammerskull

Whenever Territorial Hammerskull attacks, tap target creature an opponent controls.