Indoraptor deals damage equal to its power to that player unless they sacrifice a nontoken creature
In addition to the normal rules regarding winning and losing the game, the Commander format has one other rule: a player who has been dealt 21 or more combat damage by the same commander over the course of the game loses the game
In most cases, this doesn't make the biggest difference, and it's probably worth playing another support instead
If you get Fall of Cair Andros on the battlefield, any excess noncombat damage you deal to an opponent's creatures will turn into a bigger Army
Creature - Dragon Color tag templates(None) Hellkite Tyrant Flying, trample Whenever this creature deals combat damage to a player, gain control of all artifacts that player controls
SAR specifically tends to sit in the upper-middle range of the secret-rare numbering (often the top third of the extended checklist past the base set)