mtg draw a card for each attacking creature Magic The Gathering - Foundations - Inspiring Call Mangara, the Diplomat (Final Fantasy:

Before starting sketches, every concept artist should prepare a thorough moodboard

Pair The Master of Keys with cards like Skybind, Blightcaster, or Archon of Sun's Grace, which all shine with enter-the-battlefield effects

It dies easily - way more than something like Worship would otherwise - so it's easy to shut off, and you can also get around the effect with life loss a la something like Exsanguinate

While they dont specifically reference Equipment cards in their text, they really do play nicely with them

Holding up just two mana on turn two or three allows you to leave up Counterspell and still make plays on your own turn

Find what you need, pay two life