Cheapest priced copy (March of the Machine): $0.99 at Card Kingdom, near mint, their price list as of .
Zimone and Dina 
Legendary Creature — Human Dryad · 3/4 · Mythic · March of the Machine · #257
Whenever you draw your second card each turn, target opponent loses 2 life and you gain 2 life.
{T}, Sacrifice another creature: Draw a card. You may put a land card from your hand onto the battlefield tapped. If you control eight or more lands, repeat this process once.
Legal inCommanderPioneerModernLegacyVintage
Not legal inBrawlStandardPauper
4 printings · $0.99 to $3.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| March of the Machine | 257 | Mythic | $0.99 | $1.49 |
| March of the Machine | 318 | Mythic | $1.49 | $3.49 |
| March of the Machine Promos | 257p | Mythic | $0.99 | $2.99 |
| March of the Machine Promos | 257s | Mythic | — | $2.99 |
2 rulings from Wizards of the Coast
- 14 April 2023For the activated ability, repeating the process means the entire effect, but not the cost. You don’t have to (and, in fact, can’t) sacrifice another creature. You’ll draw another card, then you may put another land card from your hand onto the battlefield tapped. As this is your second time through the process, the ability will finish resolving.
- 14 April 2023Zimone and Dina doesn’t need to have been under your control when the first card is drawn for its ability to trigger. As long as you control it when you draw your second card in a turn, that ability will trigger.