That's right, well-known, super popular Magic: The Gathering all-star, Fleem, a character that people who aren't plugged into digital Magic might not even know about
But some sweet synergies include Kuro, Pitlord and Horobi, Death's Wail to machine-gun down opposing creatures for 1 life per kill, Patron of the Nezumi which drains opponents, and Kagemaro, First to Suffer which is an emergency board wipe when needed
If you cast a spell this way, you may spend mana as though it were mana of any color to cast it
That lets you block for three turns while you push through in the airnot to mention, you might even buy enough breathing room to attack in with the Edgecrafters as well
Thoughtseize, Duress, Force of Will, and Daze (and Mental Misstep, when it was available) are just as critical as the combo cards and the reanimation targets
You pay all costs and follow all normal timing rules for spells cast with the permission granted by Black Widow's last ability