With Amonkhet , we made the discovery that cards that cared about discarding could care both about cycling and madness from Shadows over Innistrad blockboth of which were going to overlap in Standard
Creature - Zombie Color tag templates(None) Hero of Bladehold Battle cry (Whenever this creature attacks, each other attacking creature gets +1/+0 until end of turn.) Whenever this creature attacks, create two 1/1 white Soldier creature tokens that are tapped and attacking
One card allowing you to do both is, quite frankly, ludicrous
This ability triggers only on your very first spell during an opponent's turn, not the first spell after the card is on the battlefield
When it comes to Beta cards one of the easiest things to look for are the white "dots" in the corners of the card (seen below)
Notably, this part of Necropotence only triggers on your end steps