Akroan Sergeant

2015-06-22 If a creature with renown deals combat damage to its controller because that damage was redirected, renown will trigger.
2015-06-22 If a renown ability triggers, but the creature leaves the battlefield before that ability resolves, the creature doesn't become renowned. Any ability that triggers "whenever a creature becomes renowned" won't trigger.
2015-06-22 Renown won't trigger when a creature deals combat damage to a planeswalker or another creature. It also won't trigger when a creature deals noncombat damage to a player.

Card is in preconstructed decks:

mtg.wtf