In an ideal world, players shouldn't have to consciously think about any of this
Oh, and if you draw it too early or are trying to duck counterspells, you also have the option of cycling it away for a card AND a creature
You can be especially spiteful with the Bowmasters and Narsets of the world, or you can just play the role of a leech and sit back with your Faerie Masterminds and such
A year or so ago, I put together a mono-red deck that relied on looping the three extra turn spells available: Final FortuneFinal Fortune, Last ChanceLast Chance, and Warriors OathWarriors Oath
Abandon Attachments can fuel a lessons in your graveyard kind of deck, and its the main theme of blue-red in the Avatar set
At the beginning of each player's upkeep, that player gains control of Alexios, untaps it, and puts a +1/+1 counter on it