Its power came in the form of its Flash keyword ability alongside cycling, making it a versatile spell in its own right
Voice of Resurgence enabled green-white midrange decks during its time in Standard, as it's a creature that discourages both killing it and even casting a spell on the Voice owner's turn
In any other format, Loading Zone is a cool new part of the Hardened Scales and Doubling Season family, fitting nicely into any deck that wants to use +1/+1 counters
An ability that triggers when a creature "leaves the battlefield" will trigger twice if that creature leaves the battlefield by dying
This doesnt even have to be the ones you drew into, it could be dead cards that you have in hand already or a couple of lands for the next turn
For instance, with a Brain in a Jar with two counters, you could cast either half of Breaking // Entering or Beck // Call, since the converted mana costs of the card were two