Tenth Edition

Other Goblins get +1/+1 and have mountainwalk.

Whenever Goblin Elite Infantry blocks or becomes blocked, it gets -1/-1 until end of turn.

Flying (This creature can't be blocked except by creatures with flying or reach.) {R}: Furnace Whelp gets +1/+0 until end of turn.

{7}{R}: Flamewave Invoker deals 5 damage to target player or planeswalker.

Flying When Angel of Mercy enters the battlefield, you gain 3 life.

{1}{R}: Target creature can't block Duct Crawler this turn.

When Bogardan Firefiend dies, it deals 2 damage to target creature.

Bloodrock Cyclops attacks each combat if able.

{R}, Sacrifice Bloodfire Colossus: It deals 6 damage to each creature and each player.

First strike (This creature deals combat damage before creatures without first strike.)

Flying (This creature can't be blocked except by creatures with flying or reach.) {B}: Vampire Bats gets +1/+0 until end of turn. Activate no more...

{1}{B}, Sacrifice Thrull Surgeon: Look at target player's hand and choose a card from it. That player discards that card. Activate only as a sorcery.

Spineless Thug can't block.

When Sleeper Agent enters the battlefield, target opponent gains control of it. At the beginning of your upkeep, Sleeper Agent deals 2 damage to you.

Fear (This creature can't be blocked except by artifact creatures and/or black creatures.)

Flying (This creature can't be blocked except by creatures with flying or reach.) Whenever a creature dealt damage by Sengir Vampire this turn die...

{T}: Destroy target tapped creature.

Relentless Rats gets +1/+1 for each other creature on the battlefield named Relentless Rats. A deck can have any number of cards named Relentless R...

When Ravenous Rats enters the battlefield, target opponent discards a card.

Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.)

When Phyrexian Rager enters the battlefield, you draw a card and you lose 1 life.