
Whenever an opponent casts a spell, that player mills two cards.
Memory Erosion has 5 printings, first in Shards of Alara (2008). EDHREC ranks it #3,846 among Commander cards. It appears most in The Wise Mothman decks (5,246 on EDHREC). 2 public decks on TCG run it.
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.