Ideas:
onBotTouchVehicle = This events gets triggered when a bot touches a vehicle. Could be useful for taking out enemies with the flip mod.
onBotHitOnHead = If it's possible to detect, this event gets triggered when a bot is touched from above. Could be useful for stomp gamemodes. Also acceptable if it's just something that mounts to a bot.
onBotTouchedFromBelow = Again, if it's possible to detect, This event gets triggered when a bot is touched from below. Good for combining with onBotHitOnHead for platformer enemies.
I don't know much about how blockland handles these things, or if they're even possible.