Goblin Piledriver [Onslaught] Duels of the Planeswalkers 2010 Promos you lose life equal to

you lose life equal to your life total

though such a network tends to pull power from nearby devices

This is one of its dead ends

Set: Dragons of Tarkir Promos Type: Legendary Creature — Elder Dragon Mythic Cost: {4}{U}{B} Flying

create that many 1/1 colorless Tetravite artifact creature tokens

Goblin Piledriver [Onslaught] Duels of the Planeswalkers 2010 Promos you lose life equal toSet: Onslaught Type: Creature Goblin Warrior Rare Cost: {1}{R} Protection from blue (This creature can't be blocked, targeted, dealt damage, or enchanted by anything blue.) Whenever Goblin Piledriver attacks, it gets +2 +0 until end of turn for each other attacking Goblin. Throw enough goblins at any problem and it should go away. At the very least, there'll be fewer goblins.