Flying, vigilance Whenever a Dragon you control attacks, tap target nonland permanent an opponent controls. That permanent doesn't untap during its controller's next untap step.
Choose one — • Destroy all Dragon creatures. • Destroy all non-Dragon creatures.
Flying, haste At the beginning of combat on your turn, choose an opponent at random that Territorial Hellkite didn't attack during your last combat. Territorial Hellkite attacks that player this combat if able. If you can't choose an opponent this way, tap Territorial Hellkite.
Whenever a creature dies, put a charge counter on Black Market. At the beginning of your precombat main phase, add {B} to your mana pool for each charge counter on Black Market.
Enchant player Whenever enchanted player is attacked, you draw a card. Each opponent attacking that player does the same.
{U}, {T}, Sacrifice Magus of the Mind: Shuffle your library, then exile the top X cards, where X is one plus the number of spells cast this turn. Until end of turn, you may play cards exiled this way without paying their mana costs.
Flash When Portal Mage enters the battlefield during the declare attackers step, you may reselect which player or planeswalker target attacking creature is attacking. (It can't attack its controller or its controller's planeswalkers.)
Search your library for a Plains, Island, Swamp, or Mountain card and put it onto the battlefield tapped. Then shuffle your library.
First strike {3}{W}{W}: Attacking creatures you control get +X/+X until end of turn, where X is the number of attacking creatures.
Whenever Jareth, Leonine Titan blocks, it gets +7/+7 until end of turn. {W}: Jareth gains protection from the color of your choice until end of turn.
Fear (This creature can't be blocked except by artifact creatures and/or black creatures.) Whenever Shadowmage Infiltrator deals combat damage to a player, you may draw a card.
Draw cards equal to the power of target creature you control.