Darksteel Juggernaut's power and toughness are each equal to the number of artifacts you control.
Darksteel Juggernaut is indestructible and attacks each turn if able.
Galvanic Juggernaut attacks each turn if able.
Galvanic Juggernaut doesn't untap during your untap step.
Whenever another creature dies, untap Galvanic Juggernaut.
Juggernaut attacks each turn if able.
Juggernaut can't be blocked by Walls.
Otarian Juggernaut can't be blocked by Walls.
Threshold — As long as seven or more cards are in your graveyard, Otarian Juggernaut gets +3/+0 and attacks each turn if able.
Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)
Phyrexian Juggernaut attacks each turn if able.