Anointer of Champions 
Creature — Human Cleric
{T}: Target attacking creature gets +1/+1 until end of turn.
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Cards that do something similar expected a card that isn't here?
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Traveling Minister 85%
$0.18#20817
"{T}: Target creature gets +1/+0 until end of turn. You gain 1 life. Activate only as a sorcery."
Pang Tong, "Young Phoenix" 84%
$13.75#29733
"{T}: Target creature gets +0/+2 until end of turn. Activate only during your turn, before attackers are declared."
Kjeldoran Guard 84%
$0.10#31022
"{T}: Target creature gets +1/+1 until end of turn. When that creature leaves the battlefield this turn, sacrifice this creature. Activate only during combat and only if defending player controls no snow lands."