Take my deck, for instance: When we were still forcing Sapling of ColfenorSapling of Colfenor as commander, this card was worth the four mana because I could see that I had a creature on top to draw, or could get a land off the top of my deck so I didn't whiff
Whenever a creature dealt damage by Predator Ooze this turn dies, put a +1/+1 counter on Predator Ooze
Check those out for more draw card options
(It's an artifact with " , , Sacrifice this artifact: You gain 3 life.") Whenever you sacrifice a Food, create a tapped Treasure token
The List version saw a steeper climb, jumping from $6.20 to $20, while the Time Spiral 'Timeshifted' variant is up from $7.90 to $27.90
Penny sleeves (inner) + outer sleeves = double protection