Daxos of Meletis

Mana cost: {1}{W}{U}
Type: Legendary Creature — Human Soldier
Power / toughness: 2 / 2
Set: Commander 2018 #173 (rare)
Price: $0.24 USD

Daxos can't be blocked by creatures with power 3 or greater.
Whenever Daxos deals combat damage to a player, exile the top card of that player's library. You gain life equal to that card's mana value. Until end of turn, you may cast that card and you may spend mana as though it were mana of any color to cast that spell.

Daxos of Meletis has 3 printings, first in Theros (2013). EDHREC ranks it #10,459 among Commander cards. It appears most in Hope Estheim decks (1,742 on EDHREC). 2 public decks on TCG run it. It has 4 official rulings.

Legality

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

Public decks that run Daxos of Meletis

Adaptive Enchantment - Commander 2018, led by Estrid, the Masked
Obscura Operation - New Capenna Commander, led by Kamiz, Obscura Oculus

Commanders that run Daxos of Meletis most

Deck counts from EDHREC.

Often played with Daxos of Meletis

Cards that show up in the same decks on EDHREC.

Rulings

2013-09-15: You must pay all costs to cast the exiled card. You may pay alternative or additional costs. If the card has any mandatory additional costs, you must pay those.
2013-09-15: If the exiled card is a land card, you won't gain any life and you won't be able to play the land.
2013-09-15: If Daxos is blocked by a creature, raising that creature's power to 3 or greater won't change or undo the block.
2013-09-15: Daxos doesn't change when you can cast the exiled card. For example, if you exile a creature card without flash, you can cast it only during your main phase when the stack is empty.