mtg planeswalkers cards 10 Assorted - Includes Mythics, Rares, Uncommons - NM/M!!! How Do Planeswalkers Work? -

This planeswalker is also great at protecting itself, as its second ability gives you both a body to block with and can serve as removal if you have enough creatures on the board

You wouldnt think a 4-drop with no ETB, card advantage ability, or death trigger would be all that much of a problem, and yet, Sheoldred has made their presence known across just about every format, even Vintage

The new Eumidian Hatchery fits perfectly here because it's a Land that players can put counters on each turn, and whenever it is put in the graveyard, the user creates a 1/1 insect token for each counter on Eumidian Hatchery, creating even more sacrifice fodder

So, basically doing harm to someone or otherwise touching their stuff