Picking up from where the Pre-Modern foils left off, the current most popular foiling process has run from Eighth Edition to now
8 Royal Assassin Kill An Opponent's Creature Before It Can Deal Damage Estimated Value: $1,000 - $1,700 This insidious card can kill any tapped creature
#72 Jandors Ring (Arabian Nights / 3rd Edition) Why is it bad
The easiest to achieve is Jan Jansen, Chaos Crafters ability mixed with Clock of Omens and Mycosynth Lattice
Blaster, Combat DJ // Blaster, Morale Booster Look, Im not reading all that, but trust me that theres some artifact creature deck out there (with a Gruul commander, I guess?) that might be interested in Blaster, Combat DJ, or the converted Blaster, Morale Booster
Brazen Dwarf can be used to ping your opponent each time you roll dice and is a reasonable blocker with three toughness