Glen Elendra Archmage [30th Anniversary Promos] 139 create a token that's a

create a token that's a copy of that creature

Set: Crucible of War Edition: 1st Edition Finish: Rainbow Foil Type: Action Rarity: Rare Class: Generic Cost: 4 You may destroy 4 Coppers

where X is the number of times you've boosted this combat chain

It is found here

Set: World Championships 2011 Type: ColorlessPsychic Rarity: Ultra Rare Retreat cost: Colorless

Glen Elendra Archmage [30th Anniversary Promos] 139 create a token that's aSet: 30th Anniversary Promos Type: Creature Faerie Wizard Rarity: Rare Cost: {3}{U} Flying {U}, Sacrifice Glen Elendra Archmage: Counter target noncreature spell. Persist (When this creature dies, if it had no 1 1 counters on it, return it to the battlefield under its owner's control with a 1 1 counter on it.)