[@MarsAdept] Found a good picture:
[img]http://images2.fanpop.com/image/photos/10900000/Angel-Of-Peace-angels-10952900-426-414.jpg[/img]

+1: block 1 point of damage until the end of turn.

-1: summon a White 1/1 bird token

-X: Regenerate target creature with X or less toughness or heal target player by X points.

Would this be a good set of spells?