shrek mtg card Calico Alters MTGNexus - Fiona, the princess

In theory you can have 15 lesson cards in your sideboard in Constructed decks

In this release, spells and abilities will ask you to "behold a [subtype]." To do so, either choose a permanent of that type you control or reveal a card of that type from your hand

Liiga Smilshkalne, the artist for this piece, has even uploaded the earlier sketches and her concepts that went into the art over on her Twitter

Or Clone first, then remove

Knight of New Alara Few cards reward you for going all-in on multicolor creatures like Knight of New Alara

This also acts as a great attack deterrent if you hold the equipped creature up as a blocker