Just like diamonds, these valuable cards are protected with protective layers and just as precious when treated right
If you're struggling to find good recursion in black, consider splashing in white
In this version we just have a single Icy and a single Relic Barrier, for use in tapping the opponent down, and tapping our Howling Mines occasionally, to get ahead on cards when the game calls for it
Activating an ability like this also skirts effects that might restrict your ability to cast spells like Archon of Emeria or Silence
Youll likely put Nethroi on top, giving you the greater power and toughness while still keeping Cartographer Hawks flying and triggered ability (not to mention Nethrois lifelink and deathtouch)
Valkyrie Aerial Unit could actually change that, unlikely as it seems