edit: due to a slight discrepency in my thought process (as Merfolk Smash pointed out) this doesn't work. my bad. If a mod sees this, please delete the thread.
For reference: Whenever equipped creature deals combat damage to a player, that player discards a card and you untap all lands you control.
However, if you wanted to make it so that he equipped and swung in, tapping out to ping your opponent, that is doable and probably irritating, but not broken.
Standard
GGRWolf Run RampRGG
BGGKessig Cage-PodGGB
WRMyrRW
In Construction:
RWUAmerican LiberationUWR
Modern
UGGrafty KrajGU
However, if you wanted to make it so that he equipped and swung in, tapping out to ping your opponent, that is doable and probably irritating, but not broken.
MTGS egos at their finest.
Thoughts on proxies: