
Hopeful Eidolon | Enchantment Creature | Spirit | Bestow {3}{W} (If you cast this card for its bestow cost, it's an Aura spell with enchant creature. It becomes a creature again if it's not attached to a creature.)
Lifelink (Damage dealt by this creature also causes you to gain that much life.)
Enchanted creature gets +1/+1 and has lifelink. | Min Yum

Tormented Hero | Creature | Human Warrior | Tormented Hero enters tapped.
Heroic — Whenever you cast a spell that targets Tormented Hero, each opponent loses 1 life. You gain life equal to the life lost this way. | Winona Nelson

Monastery Swiftspear | Creature | Human Monk | Haste
Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.) | Steve Argyle

Experiment One | Creature | Human Ooze | Evolve (Whenever a creature you control enters, if that creature has greater power or toughness than this creature, put a +1/+1 counter on this creature.)
Remove two +1/+1 counters from Experiment One: Regenerate Experiment One. (The next time this creature would be destroyed this turn, instead tap it, remove it from combat, and heal all damage on it.) | Chase Stone

Hero of Leina Tower | Creature | Human Warrior | Heroic — Whenever you cast a spell that targets Hero of Leina Tower, you may pay {X}. If you do, put X +1/+1 counters on Hero of Leina Tower. | Aaron Miller