Boromir blunts its enters-the-battlefield trigger
If you are able to untap with Sidisi in play, then you can start making a zombie per turn just because you are playing the game the way your deck normally functions
[36] CommandFest: full-art Joshua Rosfield (reskinned Rograkh, Son of Rohgahh)
I dont know of many cards that can punish greedy deckbuilding this cleanly
In comparison to Legacy which is a more stack-oriented format, Modern decks are mostly filled to the brim with answers to creatures, some even being devastatingly good against Ragavan, Nimble Pilferer, as is the case with Wrenn and Six
Characters that provided card advantage overperformed as well, and a characters willpower appeared slightly more important than their strength or lore values