Whenever an artifact you control enters, put a +1/+1 counter on target creature.
Occasionally youll hit a nonbasic, but the value of doing that in Limited even when it does happen isnt usually going to be very high since he lets that player search up a land to replace it anyway
This allowed players like Orange an opportunity to try and break the Legacy metagame with cards that would essentially only be available for one week (the length of the Secret Lair preorder window)
The Slasher deals another two, putting them to seven
2021-06-18 You are never forced to activate mana abilities to pay costs, so if there is a mandatory additional mana cost (such as from Thalia, Guardian of Thraben), you can decline to activate mana abilities to pay for it and hence fail to cast the suspended card, leaving it in exile
If the target creature is an illegal target by the time Brightmare's ability tries to resolve, the ability won't resolve