Sometimes a Pokemon will have a type that they never had before, such as the Darkness Tera Charizard ex, which allows decks to have a coverage option, such as with this Charizard that hits for Darkness damage but uses Fire-type energy
Due to a 2021 rules change to cascade, not only do you stop exiling cards if you exile a nonland card with lesser mana value than the spell with cascade, but the resulting spell you cast must also have lesser mana value
Kroxa, Titan of Deaths Hunger Kroxa, Titan of Death's Hunger might be my favorite midrange threat
Like Orichalcos Deuteros, Tritios, Quadros, Pentos, Gigas and, etc for Orichalcos
There is no shortage of cards that force sacrifice available in Mardu colors, including ones that sacrifice the entire battlefield
Perhaps its because Im more competitive at Magic and feel the need to optimize, but I think the mechanic itself encourages this fairly painful behavior