mtg all will be one set booster box Phyrexia Opening | | Magic the gathering 4–7 Common Magic the Gathering - Phyrexia

I cant honestly say Ive seen many lands that are like Urban Retreat, and that uniqueness makes me very curious to see some applications I havent yet considered

If you do decide to use it, it has the ability Command

// Vigilance On turns where the effect of Summon: Yojimbo's second or third chapter ability is applying, your opponents can choose not to attack with a creature that must attack if able as long as there is no other player, planeswalker, or battle for that creature to attack that wouldn't require a cost

Cid, Timeless Artificer is a Uncommon, Legendary Creature - Human Artificer card from the Magic The Gathering set Universes Beyond - Final Fantasy (MTGSC-FIN-0411)

There are dragon cards in every color though, and many are multicolor, especially for Commander purposes

There are ways to counter this playstyle, such as destruction spells and creatures with reach