
Hellkite Tyrant | Creature | Dragon | Flying, trample
Whenever Hellkite Tyrant deals combat damage to a player, gain control of all artifacts that player controls.
At the beginning of your upkeep, if you control twenty or more artifacts, you win the game. | Aleksi Briclot

Ripscale Predator | Creature | Dinosaur | Menace (This creature can't be blocked except by two or more creatures.) | Volkan Baǵa

Structural Collapse | Sorcery | | Target player sacrifices an artifact and a land. Structural Collapse deals 2 damage to that player. | Sam Burley

Aurelia, the Warleader | Legendary Creature | Angel | Flying, vigilance, haste
Whenever Aurelia, the Warleader attacks for the first time each turn, untap all creatures you control. After this phase, there is an additional combat phase. | Slawomir Maniak

Foundry Champion | Creature | Elemental Soldier | When Foundry Champion enters the battlefield, it deals damage to any target equal to the number of creatures you control.
{R}: Foundry Champion gets +1/+0 until end of turn.
{W}: Foundry Champion gets +0/+1 until end of turn. | Todd Lockwood

Rubblehulk | Creature | Elemental | Rubblehulk's power and toughness are each equal to the number of lands you control.
Bloodrush — {1}{R}{G}, Discard Rubblehulk: Target attacking creature gets +X/+X until end of turn, where X is the number of lands you control. | Raymond Swanland

Ruination Wurm | Creature | Wurm | | Dave Kendall