Serra Advocate

Flying
{T}: Target attacking or blocking creature gets +2/+2 until end of turn.

Razorfoot Griffin

Flying (This creature can't be blocked except by creatures with flying or reach.)
First strike (This creature deals combat damage before creatures without first strike.)

Glorious Anthem

Disenchant

Healing Salve

Choose one —
• Target player gains 3 life.
• Prevent the next 3 damage that would be dealt to any target this turn.

Longbow Archer

First strike; reach (This creature can block creatures with flying.)

Plains

Knight Errant

Heavy Ballista

{T}: Heavy Ballista deals 2 damage to target attacking or blocking creature.

Spirit Link

Enchant creature (Target a creature as you cast this. This card enters attached to that creature.)
Whenever enchanted creature deals damage, you gain that much life.

Pacifism

Enchant creature
Enchanted creature can't attack or block.

Angelic Page

Flying
{T}: Target attacking or blocking creature gets +1/+1 until end of turn.

Crossbow Infantry

{T}: Crossbow Infantry deals 1 damage to target attacking or blocking creature.

Standing Troops

Master Healer

{T}: Prevent the next 4 damage that would be dealt to any target this turn.

Serra's Embrace

Enchant creature
Enchanted creature gets +2/+2 and has flying and vigilance. (Attacking doesn't cause it to tap.)