When this creature dies, exile it with three time counters on it and it gains suspend
To transform a double-faced card, you turn it over so that its other face is showing
One common, five uncommons will happen 3.5% of the time
There's plenty of infinite combo potential here - like infinite treasures using Clock of Omens, however because the deck is a bit fragile, a failed attempt at going for gold is often disastrous
If you use one of these cards on a cheap creature, its too small for the effect to matter, and if you use one on an expensive creature, why does that creature need a conditionally relevant keyword
Similar to Corrosion, I also realized Upheaval happened to be perfect in the deck so I jammed it in