This list will go through the most significant exceptions to the rule of commons being cheap draft chaff
Sure, not having our board wiped would be preferable, but drawing a bunch of cards will at least help us recover instead of being sent home with our tails between our legs
As cost reduction effectively supplies X costs with additional free mana, when it comes to casting Hydras, with the help of Animar, you'll be casting enormous monsters for very little mana
Others are more generic, asking only that some kind of token be sacrificed or created
Not Legal Traditional Standard Not Legal Traditional Alchemy Not Legal Traditional Explorer Rulings 2021-03-19 If a permanent has +1/+1 counters and -1/-1 counters on it, they're removed in pairs as a state-based action so that the permanent has only one of those kinds of counters on it
77 archival-safe plastic dividers pre-labeled for every MTG color and card type Creatures, Planeswalkers, Lands, Instants, Sorceries, and the rest