Goblin Rock Sled

Trample
This creature doesn't untap during your untap step if it attacked during your last turn.
This creature can't attack unless defending player controls a Mountain.

Amrou Kithkin

This creature can't be blocked by creatures with power 3 or greater.

Crusade

Gray Ogre

Hill Giant

Hurloon Minotaur

Hurr Jackal

{T}: Target creature can't be regenerated this turn.

Immolation

Enchant creature
Enchanted creature gets +2/-2.

Inferno

Inferno deals 6 damage to each creature and each player.

Ironclaw Orcs

This creature can't block creatures with power 2 or greater.

Keldon Warlord

Keldon Warlord's power and toughness are each equal to the number of non-Wall creatures you control.

Lightning Bolt

Toralf's Disciple

Thayan Evokers

Indris, the Hydrostatic Surge

Lightning Bolt deals 3 damage to any target.

Magnetic Mountain

Blue creatures don't untap during their controllers' untap steps.
At the beginning of each player's upkeep, that player may choose any number of tapped blue creatures they control and pay {4} for each creature chosen this way. If the player does, untap those creatures.

Death Ward

Mana Clash

You and target opponent each flip a coin. Mana Clash deals 1 damage to each player whose coin comes up tails. Repeat this process until both players' coins come up heads on the same flip.

Mana Flare

Whenever a player taps a land for mana, that player adds one mana of any type that land produced.

Fourth Edition