Card
En Garde
OGN-046/298 · Origins
Spell
Calm
CommonReaction (Play any time, even before spells and abilities resolve.)
Give a friendly unit +1 
this turn, then an additional +1 this turn if it is the only unit you control there.
Reaction (Play any time, even before spells and abilities resolve.)
Give a friendly unit +1 this turn, then an additional +1 this turn if it is the only unit you control there.