Whenever one or more other creatures you control enter, if one or more of them entered from a graveyard or was cast from a graveyard, put a +1/+1 counter on each creature you control
In some formats, cards like Phlage, Titan of Fire's Fury or Bonecrusher Giant double as burn and removal with a body that can pressure your opponents later, so theyre perfect for aggressive lists
Its worth noting that most discard payoffs dont care about the type of card discarded, so you can build a very synergistic shell
amongst many others, theres Amber and Emerald Lady, a version of Jafar which is Amethyst and Steel, and an Amethyst/Sapphire Sven
This means that Gluttonous Troll, equipped with Scythe of the Wretched, returns to the battlefield if it deals 6 damage to itself this way, generating endless Food Tokens, ETB triggers, LTB triggers, and death triggers
The Warring Triad is a phenomenal mana rock, and Im sure itll be played in a great number of decks