Changes

* The effect of "[[Big-Tusked Mammoth]]" includes those [[Monster Cards|monsters]] [[Summoning Conditions#Summoning|Summoned]] this turn before "[[Big-Tusked Mammoth]]" was [[face-up]] on the [[Playing Field|field]]. For example, if your opponent [[attack]]s with a [[Monster Cards|monster]] that was [[Summoning Conditions#Summoning|Summoned]] this turn, and you [[activate]] "[[Call of the Haunted]]" to [[Special Summon]] "[[Big-Tusked Mammoth]]" from the [[Graveyard]], this causes a [[replay]], and your opponent now cannot [[attack]] with the [[Monster Cards|monster]] that was [[Summoning Conditions#Summoning|Summoned]] this turn.<ref name="Netrep">[http://netrep.net/ Netrep]: Individual Card Rulings on [[Netrep]]</ref>

* If "[[Big-Tusked Mammoth]]" is [[Set]] on the [[Playing Field|field]], and is [[attack]]ed by a [[Monster Cards|monster]] that was [[Summoning Conditions#Summoning|Summoned]] this turn, the [[attack]] [[resolve]]s normally.<ref name="Netrep"/>

* [[Monster Cards|Monsters]] [[flipped]] [[face-up]] with an effect like "[[Book of Taiyou]]" are not affected by "[[Big-Tusked Mammoth]]" and can [[attack]] that turn.<ref name="Netrep"/>

* If "[[Big-Tusked Mammoth]]" is on the [[Playing Field|field]], and a [[Monster Cards|monster]] that was [[Summoning Conditions#Summoning|Summoned]] this turn is [[removed from Play|removed from play]] temporarily and returns to the [[Playing Field|field]] the same turn, it still cannot [[attack]].<ref name="Netrep"/>