5 Morningtides Light Morningtides Light is a four-cost sorcery that becomes an unavoidable checkmate under the right circumstances
In Visions (February 1997), islandwalk's (as an example) reminder text said, "If defending player controls any islands, this creature is unblockable." In Classic Sixth Edition (April 1999), the reminder text said, "This creature is unblockable if defending player controls an island." Then, with Urza's Destiny (June 1999), this was minusculely changed to "This creature is unblockable as long as defending player controls an island." This is how the reminder text has appeared since, with the exception of Portal Three Kingdoms (July 1999) that temporarily changed it to, "If defending player has an island in play, CARDNAME can't be blocked." Landwalk has been in a lot of sets through Magic's history
Breach is more concise, relying on cards like Brain Freeze or Grinding Station to enable Thassa's Oracle
Lumbering Worldwagon Lumbering Worldwagon is a pretty substantial threat
she has no huge ultimate, just two solid abilities which you interchange as needed
