Nightfire Giant | Creature | Zombie Giant | Nightfire Giant gets +1/+1 as long as you control a Mountain.
{4}{R}: Nightfire Giant deals 2 damage to any target. | Dave Kendall
Burning Anger | Enchantment | Aura | Enchant creature
Enchanted creature has "{T}: This creature deals damage equal to its power to any target." | Anthony Palumbo
Cone of Flame | Sorcery | | Cone of Flame deals 1 damage to any target, 2 damage to another target, and 3 damage to a third target. | Chippy
Hoarding Dragon | Creature | Dragon | Flying
When Hoarding Dragon enters the battlefield, you may search your library for an artifact card, exile it, then shuffle.
When Hoarding Dragon dies, you may put the exiled card into its owner's hand. | Matt Cavotta
Lava Axe | Sorcery | | Lava Axe deals 5 damage to target player or planeswalker. | Brian Snõddy
Thundering Giant | Creature | Giant | Haste (This creature can attack and {T} as soon as it comes under your control.) | Mark Zug
Sliver Hivelord | Legendary Creature | Sliver | Sliver creatures you control have indestructible. (Damage and effects that say "destroy" don't destroy them.) | Aleksi Briclot