The Impact of Foils and Special Treatments on Card Counts The introduction of foil cards in 1999 with the Urzas Legacy expansion dramatically expanded the definition of a unique card
The main theme of Undead Unleashed is, you probably have guessed it already: ZOMBIES
Nowadays, any standard set release in addition to maintaining power levels, storyline concerns, and relative balance will contain cards for Limited, Standard, Commander, and even occasional cards explicitly made with Modern in mind
Cards like Garruk's Uprising or The Great Henge draw you cards each time Meandering Towershell re-enters the battlefield
As long as you can continue to put creatures into exile (such as with foretell or other creatures with Adventure), youll be able to cheat their mana costs every turn
Shiny Impetus gives the expected +2/+2 boost and then the attack trigger is to make a Treasure