/summon Creeper ~ ~2 ~ {ActiveEffects:[{Id:14,Amplifier:1,Duration:1000000,Ambient:0}],powered:1,Invulnerable:1,Riding:{id:Creeper,Invulnerable:1,powered:1,ActiveEffects:[{Id:14,Amplifier:1,Duration:1000000,Ambient:0}],Riding:{id:Creeper,Invulnerable:1,powered:1,ActiveEffects:[{Id:14,Amplifier:1,Duration:1000000,Ambient:0}],Riding:{id:Creeper,Invulnerable:1,powered:1,ActiveEffects:[{Id:14,Amplifier:1,Duration:1000000,Ambient:0}],Riding:{id:Creeper,Invulnerable:1,powered:1,ActiveEffects:[{Id:14,Amplifier:1,Duration:1000000,Ambient:0}],Riding:{id:Creeper,Invulnerable:1,powered:1,ActiveEffects:[{Id:14,Amplifier:1,Duration:1000000,Ambient:0}],Riding:{id:Creeper,Invulnerable:1,powered:1,ActiveEffects:[{Id:14,Amplifier:1,Duration:1000000,Ambient:0}],Riding:{id:Creeper,Invulnerable:1,powered:1,ActiveEffects:[{Id:14,Amplifier:1,Duration:1000000,Ambient:0}],Riding:{id:Creeper,Invulnerable:1,powered:1,ActiveEffects:[{Id:14,Amplifier:1,Duration:1000000,Ambient:0}],Riding:{id:Creeper,Invulnerable:1,powered:1,ActiveEffects:[{Id:14,Amplifier:1,Duration:1000000,Ambient:0}],Riding:{id:Creeper,Invulnerable:1,powered:1,ActiveEffects:[{Id:14,Amplifier:1,Duration:1000000,Ambient:0}],Riding:{id:Creeper,Invulnerable:1,powered:1,ActiveEffects:[{Id:14,Amplifier:1,Duration:1000000,Ambient:0}],Riding:{id:Minecart}}}}}}}}}}}}}