Serra Angel | Creature | Angel | Flying, vigilance | Greg Staples
Air Servant | Creature | Elemental | Flying
{2}{U}: Tap target creature with flying. | Lars Grant-West
Sengir Vampire | Creature | Vampire | Flying (This creature can't be blocked except by creatures with flying or reach.)
Whenever a creature dealt damage by Sengir Vampire this turn dies, put a +1/+1 counter on Sengir Vampire. | Kev Walker
Vampire Warlord | Creature | Vampire Warrior | Sacrifice another creature: Regenerate Vampire Warlord. (The next time this creature would be destroyed this turn, it isn't. Instead tap it, remove all damage from it, and remove it from combat.) | Wesley Burt
Battle Sliver | Creature | Sliver | Sliver creatures you control get +2/+0. | Slawomir Maniak
Woodborn Behemoth | Creature | Elemental | As long as you control eight or more lands, Woodborn Behemoth gets +4/+4 and has trample. (It can deal excess combat damage to the player or planeswalker it's attacking.) | Matt Stewart