Omnibian [Dissension] Commander Anthology Volume II When Animate Dead enters the

When Animate Dead enters the battlefield

then sacrifice it unless you pay its upkeep cost for each age counter on it

We had taken refuge in a small cave

Search your library for a creature card with converted mana cost X or less and put it onto the battlefield

*Frankenstein*

Omnibian [Dissension] Commander Anthology Volume II When Animate Dead enters theSet: Dissension Type: Creature Frog Rarity: Rare Cost: {1}{G}{G}{U} {T}: Target creature becomes a Frog with base power and toughness 3 3 until end of turn. "This creature has hyperevolved chameleonic abilities. It no longer mimics its surroundings, instead forcing them to take on its form." Simic research notes