Benalish Hero Mercadian Masques Artifact and enchantment spells your

Artifact and enchantment spells your opponents cast cost {2} more to cast

{T}: Untap target land

You may attach this Equipment to it

Flash Vigilance Aegis of the Emperor — Commanders you control have protection from everything

then meld them into Mishra

Benalish Hero Mercadian Masques Artifact and enchantment spells yourBanding (Any creatures with banding, and up to one without, can attack in a band. Bands are blocked as a group. If any creatures with banding you control are blocking or being blocked by a creature, you divide that creature's combat damage, not its controller, among any of the creatures it's being blocked by or is blocking.)