Legendary Creature - Human Artificer Ramp (CTRL to add secondary) Recursion Emry, Lurker of the Loch Affinity for artifacts (This spell costs less to cast for each artifact you control.) When Emry enters, mill four cards
Any abilities that trigger on exerting an attacking creature will resolve before blockers are declared
Ive been killed before by someones Dualcaster Mage on my Torment of Hailfire, and getting the best part of Dualcaster on a spell that can also copy your triggers and do a redirect
1-mana counterspells often get people excited though, and this blue instant could bump up a number of decks in Constructed formats as well as see cEDH play, #34
Goblin Wizard The Dark Market Price: $73.29 While a 1/1 Goblin Wizard (as the name implies) for might not be the best value by modern standards, this The Dark Goblin has a potent ability that allows you to simply toss down a permanent card from your hand for free, so long as its another Goblin
If your collection is full of older cards, then there is some serious potential for money as older sets have a variety of valuable cards and some sets are valuable simply due to their age