Like Handcuffs , where you literally force your enemy to pretend their hands are being cuffed (their hands are in contact with each other all the time) and if they fail to do this, like, say, when they're drawing a card, some calamity befalls them
Basic lands are provided freely during deck construction
This set booster box contains 30 packs of 12 cards each, and every pack has at least one multiverse legend card, one card of rarity Rare or higher, and one foil card
Tap and goad seems to be an elegant shorthand for and they cant block etc. Giving the opponent the choice is never good, but I could see this accruing value as it comes back from Suspend in a Gandalf deck
Then, once you have chosen a legal Commander, its color identity determines which cards you can include in the rest of the deck