Goblin Chieftain [Jumpstart] Elf if Erg Raiders didn't attack

if Erg Raiders didn't attack this turn

{1}{G}{W}{U}: Put Derevi onto the battlefield from the command zone

Set: Collectors’ Edition Type: Enchantment — Aura Rarity: Uncommon Cost: {1}{B} Enchant creature card in a graveyard

Set: Antiquities Type: Artifact Creature — Bird Rare Cost: {5} Flying Clockwork Avian enters the battlefield with four +1/+0 counters on it

(Damage and effects that say "destroy" don't destroy them

Goblin Chieftain [Jumpstart] Elf if Erg Raiders didn't attackSet: Jumpstart Type: Creature Goblin Rare Cost: {1}{R}{R} Haste (This creature can attack and {T} as soon as it comes under your control.) Other Goblin creatures you control get +1 +1 and have haste. "It's time for the 'Smash, Smash' song!"