Duplicant [Commander's Arsenal]Set: Commander's Arsenal Type: Artifact Creature Shapeshifter Rarity: Rare Cost: {6} Imprint When Duplicant enters the battlefield, you may exile target nontoken creature. As long as a card exiled with Duplicant is a creature card, Duplicant has the power, toughness, and creature types of the last creature card exiled with Duplicant. It's still a Shapeshifter.

Set: Commander 2016 Type: Creature — Archon Rarity: Rare Cost: {6}{W}{W}{W} Flying

you may search your library for an Elf card

Set: Champions of Kamigawa Type: Enchantment Rarity: Rare Cost: {2}{U}{U} As Swirl the Mists enters the battlefield

To serve as an eternal is the afterlife granted to the worthy

Set: Journey into Nyx Type: Legendary Enchantment Creature — God Rarity: Mythic Cost: {1}{W}{B} Indestructible

When Ancestral Knowledge leaves the battlefield

Set: Ixalan Prerelease Promos Type: Artifact — Equipment Rarity: Rare Cost: {2} When Dowsing Dagger enters the battlefield

Set: Kaladesh Type: Instant Rarity: Rare Cost: {3}{U} Return any number of target nonland

When Hunted Dragon enters the battlefield

" —Illulia of Nighthearth

Untap them

Set: Diamond & Pearl: Secret Wonders Type: Item Rarity: Uncommon