God-Eternal Kefnet [San Diego Comic-Con 2019] Mercadian Masques you may reveal an Elf

you may reveal an Elf card from your hand

When this card is destroyed and sent to the GRaveyard

"In Memoriam"

even the whisper of a memory

When this attacking card inflicts Battle Damage to your opponent

God-Eternal Kefnet [San Diego Comic-Con 2019] Mercadian Masques you may reveal an ElfSet: San Diego Comic Con 2019 Type: Legendary Creature Zombie God Rarity: Mythic Cost: {2}{U}{U} Flying You may reveal the first card you draw each turn as you draw it. Whenever you reveal an instant or sorcery card this way, copy that card and you may cast the copy. That copy costs {2} less to cast. When God Eternal Kefnet dies or is put into exile from the battlefield, you may put it into its owner's library third from the top.