Megrim [Magic 2010] SV57 the field is treated as

the field is treated as "Umi"

Set: 2015 Mega-Tins Mega Pack Card type: Effect Monster Rarity: Super Rare Attack: 2200 Defense: 0 When this card you control is destroyed by battle or card effect and sent to your Graveyard: You can Special Summon 1 "Yang Zing" monster from your Deck in Defense Position

You can only use each effect of "Beetrooper Light Flapper" once per turn

up to the number of cards your opponent controlled that were sent to the Graveyard by this card's effect

Megrim [Magic 2010] SV57 the field is treated asSet: Magic 2010 Type: Enchantment Rarity: Uncommon Cost: {2}{B} Whenever an opponent discards a card, Megrim deals 2 damage to that player. "It's a vicious circle. Stress breeds pain. Pain breeds stress. It's simply beautiful, wouldn't you agree?" Vradeen, vampire nocturnus