for mirrodin cards mtg Myr Reservoir [Scars of Mirrodin] Myr Battlesphere creates an army of creatures in one card Magic the Gathering Mirrodin Uncommon

The effects are solid

Or more accurately, Sam Black has already been playing with Wayward Swordtooth in Pioneer, and that card has downsides instead of upsides

Chrome Mox Is Another OP Mystic Jewel Chrome Mox has a simple effect, yet it can be devastating if drawn early in the game

Barbed Batterfist Blade of Shared Souls Bladehold War-Whip Dragonwing Glider Glimmer Lens Goldwarden's Helm Hexgold Halberd Hexgold Hoverwings Hexplate Wallbreaker Kemba's Banner Mirran Bardiche Sylvok Battle-Chair Vulshok Splitter

And yet, due to quirks of the color identity rule, Urborg, Tomb of Yawgmoth is playable in every deck

Introduced in Modern Horizons 3, Ripple Foil proves that new forms of Foils will always fetch a high price