Sheoldred, Whispering One (Phyrexian) [Secret Lair Drop Series] OP06-034 if an attack action card

if an attack action card was pitched to play it

"Diametrically opposing energies in self-sealed plasmodermic bubbles make great pets

it deals half that damage

When Experimental Aviator enters the battlefield

If two or more of those cards have the same name

Sheoldred, Whispering One (Phyrexian) [Secret Lair Drop Series] OP06-034 if an attack action cardSet: Secret Lair Drop Series Type: Legendary Creature Phyrexian Praetor Rarity: Mythic Cost: {5}{B}{B} Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.) At the beginning of your upkeep, return target creature card from your graveyard to the battlefield. At the beginning of each opponent's upkeep, that player sacrifices a creature.