It taps to gain life with nothing else needed equal to the Elf count
Of these, clearly Corruption of Towashi is the best hit, since it gives you free card draw for as long as its out, but dont count out the other two either
The creature is joined by three more ooze creatures: Necrotic Ooze, Acidic Slime and Scavenging Ooze, which have the power to gain all activated abilities from other cards in graveyards, destroy a target artifact, enchant or land card when played, and exile a creature card from a graveyard to gain +1/+1 and one life for the cost of one green mana, respectively
How To Sell Your Cards in Person Jaded Sell-Sword | Illustration by Randy Vargas You give them your cards, they (hopefully) give you money
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Scan multiple cards in a row to catalog your collection quickly