mtg choose a background cards Beta MTG Magic Complete Revised Set

I could see a control deck recurring Elspeth 2-3 times in a single game fairly easily

Put those cards onto the battlefield, then shuffle your library

Sisay, Weatherlight Captain can search for a legendary permanent (though that activation uses one of each color, technically making Sisay's color identity all 5 colors on a white card with only 1 white and 2 colorless mana needed to cast.) Sisay is one of the rare MTG tutors that could also be a commander

Everyones glued to their smartphones

When you do, tap target creature an opponent controls

You're going to want to make sure you're getting your mana rocks ASAP when you're playing, so you can be absolutely certain your turns 3-5 are spent casting absolutely massive spells several turns ahead of your opponents