Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.)
Search your library for a creature card with converted mana cost X or less and put it onto the battlefield. Then shuffle your library.

• Number: 172
• Rarity: R
• Type: Instant
• Mana cost: XGGG
• Color: Green
• Artist: Karl Kopinski