mtg cards that steal creatures 3 Awesome Commanders Let You Play With Your Opponents' Cards! Steal Artifact MTG - Eighth

Landfall or extra land drops are a little worse, since you want extra mana to be consistently available and may not be able to afford to play high land counts like the decks that can win with one spell

There is a good chance this is actually an auto include just because it is a Raging Goblin that fulfils the no colour casting cost and artifact types criteria

Candlekeep Sage draws a card every time its paired commander enters or leaves the battlefield

Just tally up the number of creatures on the battlefield, cast this for 4 mana, and every creature takes that amount of damage

Fog Bank , but I like the flicker effect best because it feels like either time stopping or teleportation, both of which are very blue concepts