Mass Effect

mass effect - shepard
lv4/earth/warrior/1800/1000
once per turn, you can change the attribute of this card to light or dark. when this card is summoned, add 1 lv4 or lower mass effect card from your deck to your hand.

renegade
equip spell
equip only to a dark "mass effect" monster. it gains 1000 atk while attacking. whenever an opponent summons a monster, it is switched to defense mode.

paragon
equip spell
equip only to a light "mass effect" monster. it gains 1000 atk while attacked. when the target destroys an opponent's monster by battle, draw 1 card.

mass effect - tali
lv4/earth/warrior/1600/1000
once per turn you can activate one of the following effects:
1. an electric monster on your side of the field gains 1500 atk
2. destroy 1 machine-type monster on the field

mass effect - garrus
lv4/earth/reptile/2100/0
when this card is summoned, it is switched to defense position. this card can attack while in defense position and inflicts piercing damage to the opponent if it destroys a defense position monster in battle.

mass effect - liara
lv4/earth/spellcaster/1600/1800
when this card is normal summoned, it is switched to defense mode. once per turn, you can select 1 set card on the field and 1 random card from the opponent's hand. view both targets.

mass effect - wrex
lv5/earth/reptile/2100/2400
when this card declares an attack, it gains 1000 atk during the damage step. during your end phase, you must reveal a light or dark monster from your hand or this card is destroyed.

saren
lv7/dark/reptile/2500/2000
when this card is destroyed, pay half of your life points to summon 1 "sovereign" from your deck or hand to the field.

sovereign
lv10/dark/fiend/2500/2000
this card cannot be normal summoned or set. this card can only be special summoned by the effect of "saren". when your opponent summons or activates a card effect, you can remove this card from play. it is returned to your side of the field at the End Phase. this card's effect can only be activated 3 times per duel.

barrier
spell card
this card cannot be removed from the field, except by its own effect. your opponent cannot declare an attack. destroy this card during the standby phase.

warp
spell card
the def of all opponent's monsters becomes 0.

unity
equip spell card
special summon 1 "mass effect" monster from your graveyard. it loses half of its atk and def and cannot be used for an extra deck summon.