mtg cards like coat of arms (Borderless) [The Lost Caverns of Ixalan Commander] if two Goblin Warriors and a Goblin Shaman are on the battlefield Coat of Arms - The

Lord Xander, the Collector Lord Xander, the Collector had its time in the sun when cheated into play by Sorin, Imperious Bloodlord

Not only does it stop them from casting spells with even mana values, and that includes zero, but opponents also cant use Creatures with even mana values to block

Tapping a Swamp for mana gives you double the amount of mask counters on it

Blue decks tend to be slow and patient, gradually building up card advantage and other resources until they're ready for the endgame, which is perfect for a midrange-oriented, moderately powerful format like Commander

Especially since the printings of Ragavan, Nimble Pilferer and Dragons Rage Channeler, the steal a casting cost 1 nonland-permanent mode has become very important and overall buffed the playability of the card