Flying, haste Whenever Hellkite Charger attacks, you may pay {5}{R}{R}. If you do, untap all attacking creatures and after this phase, there is an additional combat phase.
Flying When Hellkite Courser enters the battlefield, you may put a commander you own from the command zone onto the battlefield. It gains haste. Return it to the command zone at the beginning of the next end step.
The charge was heralded not by horns, but by the dragon's echoing roar.
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.
Other outlaws you control have haste. When Hellspur Posse Boss enters the battlefield, create two 1/1 red Mercenary creature tokens with "{T}: Target creature you control gets +1/+0 until end of turn. Activate only as a sorcery."
{3}{R}: Choose any target, then mill three cards. Heretic's Punishment deals damage to that permanent or player equal to the highest mana value among the milled cards.
When Heroes of the Revel enters the battlefield, create a 1/1 red Satyr creature token with "This creature can't block." Whenever you cast a spell that targets Heroes of the Revel, creatures you control get +1/+0 until end of turn.
Sacrifice any number of lands. Reveal the top X cards of your library, where X is the number of lands sacrificed this way. Choose any number of artifact and/or land cards revealed this way. Put all nonland cards chosen this way onto the battlefield, then put all land cards chosen this way onto the battlefield tapped, then put the rest on the bottom of your library in a random order.
For Mirrodin! When Hexgold Sledge enters the battlefield, conjure a card named Goblin Gaveleer onto the battlefield. Equipped creature gets +1/+0. Equip {1}
For Mirrodin! Equipped creature gets +2/+2. Whenever equipped creature attacks, if it's the first combat phase of the turn, untap each attacking creature. After this phase, there is an additional combat phase. Equip {3}{R}