If an attacking or blocking creature somehow becomes a battle in addition to being a creature, it is removed from combat
If you use Command Beacon to bounce your commander you wont have to pay the tax to cast it from your hand
These cards are selected because, like the cards we went over above, they are game-warping effects that really only belong at the higher levels of play and at tables where people want to compete not just when playing, but also with their deckbuilding
a creature (or any creature) is not the same as target creature. Bear in mind that, if your opponent has several creatures in play, theyre unlikely to sacrifice the creature with hexproof
Some examples in Theros include Gods Willing, Savage Surge, and Dissolve, just to name a few
You must do so even if it requires targets and the only legal targets are ones that you really don't want to target