Permanents entering the battlefield don't cause abilities of permanents your opponents control to trigger
Then I looked at Furnace Dragon, but instead of going past it like we all usually do (why it has both affinity for artifacts and exiles them is beyond me), I just pretended that it didnt have affinity
Whether the old cards are a prized collection or simply stacks of many unused commons, there are plenty of options for the cards to have a new lease on life
An instant speed kill spell is mighty, and the treasure helps mitigate the cost, so at first it's hard to see why this might be
If the gift wasn't promised, return that card to the battlefield under its owner's control with a +1/+1 counter on it at the beginning of the next end step
That aside, I feel like Commander players do need to just run more Basics