mtg core 20 card list Magic: The Gathering - Set 2020 Starter Kit Set Core Set 2020 (m20)

Abrupt Decay Abrupt Decay destroys any nonland permanent with mana value 3 or less, and it cant be countered

Wizards of the Coast has dropped a bunch more spoilers for the upcoming Universes Beyond Magic: The Gathering card set

She ensures that +1/+1 counters do not disappear when creatures leave play, which reduces the impact of removal and board wipes while increasing the importance of stable mana access through the top dual lands in MTG

Buried Alive and creatures like Oriq Loremage do a similar job, but no ones as mana-efficient as Entomb

Apart from that, and a list of banned cards, Commander follows the same principles as normal Magic