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4UU · Creature — Shapeshifter
Flash Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom of your library in a random order.) You may have Sakashima's Protege enter the battlefield as a copy of any permanent that entered the battlefield this turn. 3/1
| Name | Mana | Type | Text |
|---|---|---|---|
| Seaside Citadel | Land | Seaside Citadel enters the battlefield tapped. {T}: Add {G}, {W}, or {U}. | |
| Sejiri Glacier | Land | Sejiri Glacier enters the battlefield tapped. {T}: Add {W}. | |
| Selesnya Guildgate | Land — Gate | Selesnya Guildgate enters the battlefield tapped. {T}: Add {G} or {W}. | |
| Shivan Oasis | Land | Shivan Oasis enters the battlefield tapped. {T}: Add {R} or {G}. | |
| Silundi Isle | Land | Silundi Isle enters the battlefield tapped. {T}: Add {U}. | |
| Simic Guildgate | Land — Gate | Simic Guildgate enters the battlefield tapped. {T}: Add {G} or {U}. | |
| Sky Diamond | 2 | Artifact | Sky Diamond enters the battlefield tapped. {T}: Add {U}. |
| Skyclave Basilica | Land | Skyclave Basilica enters the battlefield tapped. {T}: Add {W}. | |
| Song-Mad Ruins | Land | Song-Mad Ruins enters the battlefield tapped. {T}: Add {R}. | |
| Spikefield Cave | Land | Spikefield Cave enters the battlefield tapped. {T}: Add {R}. |