It shouldn't even be a thing, is quite easy to assess demand
after blockers are declared, before combat damage, during the end of combat step After all, creatures are considered to be attacking until the second main phase begins
Different styles of Dimir decks have particular enablers best suited to that deck
$0.49 Celestial Archon Commander 2015 $0.49 Vengeful Archon 2011 Core Set $0.35 Charge Dominaria $0.35 Arrester's Zeal Ravnica Allegiance $0.79 Dreadmaw's Ire The Lost Caverns of Ixalan $0.35 Battlefield Promotion War of the Spark $0.35 Rustler Rampage Outlaws of Thunder Junction $0.35 Archon of Falling Stars Theros Beyond Death $0.35 Blessed Defiance Innistrad: Midnight Hunt $0.49 Archon of the Wild Rose Wilds of Eldraine $0.35 Adventurer's Inn Final Fantasy $0.69 Archon of Absolution Throne of Eldraine 0 results found
Think Drown in the Loch , Ertai Resurrected , Dimir Charm , and Silumgar's Command
Mana Vault Artifact This artifact doesn't untap during your untap step