This isnt a Vintage or even Legacy Cube-caliber card, but it does strike me as an intriguing option for Cubes as lower power levels
This can be before blockers are declared, after blockers are declared but before combat damage is dealt, during combat after combat damage is dealt, during the postcombat main phase, during the end step, or, in some unusual cases, during the cleanup step
Simply set Chalice to zero and itll counter your artifacts, avoiding the counters but still racking up the casts
Ungraded & graded values for all Magic FDN Magic Cards
One mana for that level of consistency is ridiculous
Sagas in Sigurd's colors that work especially well with this effect include Elspeth Conquers Death, Fable of the Mirror-Breaker, and There And Back Again