Angel of Mercy

Flying
When this creature enters, you gain 3 life.

Holy Strength

Enchant creature
Enchanted creature gets +1/+2.

Earth Elemental

Enrage

Target creature gets +X/+0 until end of turn.

Flameblast Dragon

Flying
Whenever this creature attacks, you may pay {X}{R}. If you do, it deals X damage to any target.

Flamekin Brawler

{R}: This creature gets +1/+0 until end of turn.

Furnace of Rath

If a source would deal damage to a permanent or player, it deals double that damage to that permanent or player instead.

Furnace Whelp

Flying
{R}: This creature gets +1/+0 until end of turn.

Goblin Piker

Goblin Sky Raider

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

Hamletback Goliath

Whenever another creature enters, you may put X +1/+1 counters on this creature, where X is that creature's power.

Hellkite Charger

Flying, haste
Whenever this creature attacks, you may pay {5}{R}{R}. If you do, untap all attacking creatures and after this phase, there is an additional combat phase.

Honor of the Pure

Hill Giant

Impelled Giant

Trample
Tap an untapped red creature you control other than this creature: This creature gets +X/+0 until end of turn, where X is the power of the creature tapped this way.

Incinerate

Incinerate deals 3 damage to any target. A creature dealt damage this way can't be regenerated this turn.

Salvat 2011