In technical rules terms, we call this template an object's "copiable characteristics." Because a mana ability resolves immediately after being activated, it doesn't create an object that has these copiable characteristics
The rules of thumb above would indicate pass the turn, wait for your opponent to attack, and then cast Electrify
Wreckage from the Phyrexian Invasion provided the rats with a seemingly unlimited number of breeding grounds
Zeraora, Chandelure, and Excadrill are all solid additions that give existing strategies new options without rewriting the rulebook
An interesting inclusion among this subset of cards was Golem, the final evolution of Geodude
Most Magic cards are rounded around the corners, and its easy to tell if corners are frayed or damaged