(6/6/2025) An effect may refer to a card, spell, or permanent that "has an Adventure." This refers to a card, spell, or permanent that has an adventurer card's set of alternative characteristics, even if they're not being used and even if that card was never cast as an Adventure
, : Each opponent mills cards equal to the number of cards in your hand
This includes spells cast from graveyards, exile, and also commanders from being cast from the command zone
What's more is that he cannot be countered, and his innate ability gives him hexproof in a pinch, so he is certain to come in and stick around
I believe Maelstrom Wanderer is both a wonderful cascade commander and big mana commander
Creature types like elves, kithkin, faeries, boggarts, merfolk, treefolk, and elementals all appear with abilities and effects that incentivize focusing specifically on creature types in your deckbuilding