Once you attack with Mulan, all your characters can challenge your opponents readied characters
I don't know why Kaldra Compleat doesn't turn the equipped dork into an Avatar, that feels like a flavor foul to me, but I adore this artifact that combines aspects of Shield of Kaldra (indestructible), Sword of Kaldra (the combat damager ability and equip of +5/+5), and Helm of Kaldra (first strike, trample, haste)
The first is that it gives your other Rigger creatures +1/+0 and haste, and the second is the more infamous ability of doubling up on assembling Contraptions whenever one of your Rigger creatures assembles one
Magic: the Gathering Final Fantasy Universes Beyond Mechanics As with the MagicCon: Las Vegas teaser and Duskmourn previews, Magic: The Gathering kicked things off by revealing a host of cards and mechanics that will launch with the upcoming Final Fantasy set
Focus Fire is really good
Once you hit nine instants and sorceries in your graveyard, Lord of the Nazgl buffs all your Wraiths into massive 9/9 threats