A spell or ability that counters spells can still target Void Rend
Its still costly to actually cast the creature when the time comes to do it, plus having to bolt yourself for an untapped land is a high cost, so Im not quite on board with full-on staple status for this MDFC
Hurkyl, Master Wizard | Illustration by Randy Vargas Delirium commanders either have the delirium mechanic or can use or benefit from a build based on combining different card types
Elvish Regrower This awesome 4/3 four-drop uncommon Druid is hitting

Orfeo, the Boulder Nimble Larcenist Obscura Ascendancy Obscura Charm Obscura Interceptor Ognis, the Dragon's Lash Queza, Augur of Agonies Raffine, Scheming Seer Rakish Revelers Rigo, Streetwise Mentor Riveteers Ascendancy Riveteers Charm Rocco, Cabaretti Caterer Shattered Seraph Soul of Emancipation Spara's Adjudicators Toluz, Clever Conductor Unleash the Inferno Void Rend Ziatora, the Incinerator Ziatora's Envoy Aven Heartstabber Black Market Tycoon Corpse Explosion Meeting of the Five Park Heights Pegasus Ob Nixilis, the Adversary Scheming Fence ARTIFACT Getaway Car Luxior, Giada's Gift Unlicensed Hearse LAND Plains Plains Island Island Swamp Swamp Mountain Mountain Forest Forest Jetmir's Garden Raffine's Tower Spara's Headquarters Xander's Lounge Ziatora's Proving Ground Botanical Plaza Jetmir's Garden Racers' Ring Raffine's Tower Skybridge Towers Spara's Headquarters Tramway Station Waterfront District Xander's Lounge Ziatora's Proving Ground WHITE | BLUE | BLACK | RED | GREEN MULTICOLORED | ARTIFACT | LAND | ALL CARDS

You may play them without paying their mana costs for as long as they remain exiled