Reflection Dimension

When Reflection Dimension enters the battlefield, sacrifice 3 creatures with the same name, then sacrifice 2 creatures with the same name or sacrifice Reflection Dimension. The 2 creatures must have different names than the 3 creatures.
When the first creature that enters the battlefield under your control each turn, copy that creature twice, except those copies aren't legendary. When the second creature that enters the battlefield under your control each turn, copy that creature, except the copy is n