Magus of the Will

Mana cost: {2}{B}
Type: Creature — Human Wizard
Power / toughness: 3 / 3
Set: Treasure Chest #21 (rare)

{2}{B}, {T}, Exile this creature: Until end of turn, you may play lands and cast spells from your graveyard. If a card would be put into your graveyard from anywhere this turn, exile that card instead.

Magus of the Will has 3 printings, first in Commander 2016 (2016). EDHREC ranks it #17,458 among Commander cards. It appears most in Fandaniel, Telophoroi Ascian decks (92 on EDHREC). 1 public deck on TCG runs it. It has 6 official rulings.

Legality

commander: legal
legacy: legal
vintage: legal
pauper: not legal
modern: not legal
pioneer: not legal
standard: not legal
brawl: not legal

Public decks that run Magus of the Will

Invent Superiority - Commander 2016, led by Breya, Etherium Shaper

Commanders that run Magus of the Will most

Deck counts from EDHREC.

Fandaniel, Telophoroi Ascian: 92 decks
Klaw, Master of Sound: 1 decks

Often played with Magus of the Will

Cards that show up in the same decks on EDHREC.

Rulings

2020-08-07: Magus of the Will doesn't change when you can play the cards in your graveyard. For example, if you have a creature card without flash in your graveyard, you can cast it only during your main phase while the stack is empty.
2020-08-07: You pay the costs for a card in your graveyard if you cast it. You may pay alternative costs such as overload rather than the card's mana cost.
2020-08-07: You may play a land card from your graveyard only if you have an available land play.
2020-08-07: Cards that would be put into your graveyard are exiled even if you didn't play them this turn, such as a nontoken creature that would die.
2020-08-07: Tokens are put into your graveyard as normal (and cease to exist soon after). Abilities that trigger when a creature dies can trigger on token creatures being put into your graveyard but won't trigger on nontoken creatures being exiled instead of being put into your graveyard.
2020-08-07: If another effect tries to change where a spell is put as it resolves, such as that of a rebound or buyback ability, you may choose whether to exile the card to Magus of the Will's effect or to apply the other effect.