Chimeric Mass [Scars of Mirrodin] 121 and if you don't keep

and if you don't keep your feet

Set: EX: Ruby & Sapphire Type: Fighting Rarity: Holo Rare Retreat cost: Colorless

creatures target player controls get +2/+2 until end of turn

Set: Zendikar Rising Commander Type: Instant Rarity: Uncommon Cost: {3}{U} Reveal the top five cards of your library

sacrifice Ball Lightning

Chimeric Mass [Scars of Mirrodin] 121 and if you don't keepSet: Scars of Mirrodin Type: Artifact Rarity: Rare Cost: {X} Chimeric Mass enters the battlefield with X charge counters on it. {1}: Until end of turn, Chimeric Mass becomes a Construct artifact creature with "This creature's power and toughness are each equal to the number of charge counters on it."