Card Tags: High Tide; Extraplanar Lens; Time Spiral; Time Stretch; Time Warp; Time... whatever; Memnarch

The answer to last week's puzzle was: Runesword, Iron Maiden, Ebony Rhino, Darksteel Relic; Mana Matrix; Chaos Orb; Ersatz Gnomes; Amulet of Quoz; Jester's Mask; Aladdin's Lamp; Armageddon Clock; Blood Clock; Pithing Needle ; Squee's Toy; Veteran's Armaments; Vulshok Morningstar; Wall of Junk; and--of course--Shapeshifter