Force two champions to attack you during their owners' next phase 4. If they cannot attack, both champions are discarded. If the first champion to attack is defeated or razes the realm, the second is not discarded. (Harmful)
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TSR
Wizards of the Coast
Kender Taunting is a great combo card to eliminate a couple champions. Kender Taunting is a good way to force certain pool based champions into attacking, a bane for many "destroy from afar" decks.
The opponent this is played on may not choose not to attack and just discard the champions, since the second line of the card specifies "cannot", instead of choose not to. Additionally, the opponent may not play cards to prevent himself from attacking, like Disintegrate (393/1st), unless they want to sacrifice both champions.
The best champions to use with Kender Taunting are based on the round of combat. For the first attack, using a champion who activates upon defeat, like Aurak Draconian Lord (418/2nd) or Talcon (341/4th), are best, and the second round using an instant win champion or very powerful combat champion can add spoils to the champion slaying. The second, and more vicious combination is coupling Kender Taunting with any power that prevents someone from attacking you, such as Solid Fog (382/1st), Bronze Dragons (97/DL), or Phase Out (51/PO). Because the target champions cannot attack, both would be discarded immediately.
This combo can be a great method to remove troublesome champions, but it can be stopped by any normal event stopping method, immunity, ot can be turned around horribly with An Eye for an Eye! (46/IQ), since this event would force the champions to be discarded, activating An Eye for an Eye! without giving you the combate method out of it.
This powerful combo will be found in many decks in all sorts of settings, though probably not as often in tournament decks (but still around).