every lotr mtg card found these old cards in Set boosters : r/mtg Lord of the Rings: Tales

When Purphoros enters the battlefield, your devotion to its color (including the mana symbols in the mana cost of Purphoros itself) will determine if a creature entered the battlefield or not for abilities that trigger whenever a creature enters the battlefield

That lets you answer things for a turn

Colorless commanders can only include cards with a colorless color identity in their deck, and up until now

Such is the paradox of Bloomburrow, the upcoming expansion for trading card game giant Magic: The Gathering. Taking place in a cozy valley bustling with anthropomorphic animalfolk, its calculated to appeal to generations raised on Peter Rabbit, Narnia, or Redwall. Cards depict gentle, heart-warming scenes: Critters salivate over pies, take romantic boat rides or store acorns in overflowing pantries

Mari, the Killing Quill: This is an interesting one