Effect The trap summons a creature as summon nature’s ally I with a caster level equal to the ranger’s level – 3. This trap functions as summon nature’s ally II at 8th level, summon nature’s ally III at 11th level, and summon nature’s ally IVat 14th level. The summoned creature or creatures appear in a location within the trap’s range designated when the trap is set; if it’s not possible for the creatures to appear in that location, they appear in the nearest unoccupied space. The ranger can choose a command of no more than 25 words when the trap is created; the creature or creatures follow those instructions, or otherwise attack the creature that triggered the trap.