(See rule 614, "Replacement Effects," and rule 615, "Prevention Effects.") Abilities that trigger when damage is dealt trigger now and wait to be put on the stack
Wizards is still making them just about every set (the Stupid Auras Division annoys me greatly), so if you dont like some of these choices, wait for next set, and they can come off
According to InQuest Magazine, this was the caseback in 1995
This is an ability most likely to see play in formats where you can make your creatures unblockable and protect them, which means its big for Commander, but probably wont see much use elsewhere
And fun cards like Academy Manufactor can turn every investigate into three different tokens one Clue, one Food, and one Treasure which token doublers can multiply even further
Blue-Based Control This is one of the most powerful archetypes