Reckless Mercenary

Cost: 5
Faction: Factionless/Colourless
Type: Unit - Human Berserker
ATK/HP: 7/3
Card Effect Text:
[Swift]: May be played as a response.

[Passive]: Reduce this cards cost by 1 for each unit you control that was destroyed in combat/by enemy card effect this turn.

[Berserk]: Once per turn when attacking a unit; this takes no combat damage, then it may attack again immediately.

Printings:

STZO/STZO SE (Set Zero)
MLVG/MLVG SE (Malverna's Revenge)
KGM (Kingdoms)
SE = Second Edition

This combination does not exist.