It has the Vedalken Orrery issue where you cross your fingers you untap with it, plus the Crucible of Worlds problem where its no longer unique
There are a wide variety you can use either or both of these cards to fire off some mana intensive way of killings someone
Defending player guesses whether that card's mana value is greater than the number of artifacts you control
(Choose any number of permanents and/or players, then give each another counter of each kind already there.) Equip Artifact - Equipment Artifact (CTRL to add secondary) Creature Adaptive Sporesinger Vigilance When this creature enters, choose one Target creature gets +2/+2 and gains vigilance until end of turn
If Vial Smasher's ability resolves and the spell that caused it to trigger has been countered, use that spell's mana value as it last existed on the stack to determine how much damage is dealt
Costing only one white mana for a 1/1 artifact creature human soldier, its ability triggers whenever another player casts their first noncreature spell each turn