For example, a commander like Braids, Arisen Nightmare can recoup card advantage so easily that Id happily blow a card on a ritual to power it out early
Root Manipulation Until end of turn, creatures you control get +2/+2 and gain menace and "Whenever this creature attacks, you gain 1 life." (A creature with menace can't be blocked except by two or more creatures.) Based on the latest market prices tracked on TCG Stacked
White has a giant selection of cards that can accomplish boosting up power at instant speed, which allows you to pump Glen after your opponent's declared their flimsy small blockers (or none at all), but before the damage actually goes through
Totems are found in many religions worldwide, so I suppose that's why they changed it
Notably, if you sacrifice a creature that's a double-faced permanent with its back face up, you'll use the characteristics of the back face, not the front face
Only a battle's protector may block creatures attacking it