
Chronic Flooding | Enchantment | Aura | Enchant land
Whenever enchanted land becomes tapped, its controller mills three cards. | Scott Chou

Crosstown Courier | Creature | Vedalken | Whenever Crosstown Courier deals combat damage to a player, that player mills that many cards. | Chase Stone

Doorkeeper | Creature | Homunculus | Defender
{2}{U}, {T}: Target player mills X cards, where X is the number of creatures you control with defender. | Kev Walker

Inaction Injunction | Sorcery | | Detain target creature an opponent controls. (Until your next turn, that creature can't attack or block and its activated abilities can't be activated.)
Draw a card. | Wayne Reynolds

Pursuit of Flight | Enchantment | Aura | Enchant creature
Enchanted creature gets +2/+2 and has "{U}: This creature gains flying until end of turn." | Christopher Moeller

Dramatic Rescue | Instant | | Return target creature to its owner's hand. You gain 2 life. | Ryan Pancoast

Search Warrant | Sorcery | | Target player reveals their hand. You gain life equal to the number of cards in that player's hand. | Steven Belledin

Chemister's Trick | Instant | | Target creature you don't control gets -2/-0 until end of turn and attacks this turn if able.
Overload {3}{U}{R} (You may cast this spell for its overload cost. If you do, change its text by replacing all instances of "target" with "each.") | Christopher Moeller

Goblin Electromancer | Creature | Goblin Wizard | Instant and sorcery spells you cast cost {1} less to cast. | Svetlin Velinov

Frostburn Weird | Creature | Weird | {U/R}: Frostburn Weird gets +1/-1 until end of turn. | Mike Bierek