Myr Sire [Mystery Booster] Human Knight Performer then you may put an

then you may put an artifact card with mana value X or less from your hand onto the battlefield

Set: Innistrad: Crimson Vow Type: Legendary Creature — Vampire Noble Rarity: Rare Cost: {2}{W}{B} Other vampires you control get +1/+1

Set: Dominaria United Commander Type: Legendary Sorcery Rarity: Rare Cost: {5}{W}{B} (You may cast a legendary sorcery only if you control a legendary creature or planeswalker

It'll thrill the senses and boggle the mind

Set: Murders at Karlov Manor Commander Type: Land Rarity: Uncommon Gruul Turf enters the battlefield tapped

Myr Sire [Mystery Booster] Human Knight Performer then you may put anSet: Mystery Booster Type: Artifact Creature Phyrexian Myr Rarity: Common Cost: {2} When Myr Sire dies, create a 1 1 colorless Phyrexian Myr artifact creature token. For the Phyrexians, death is not an end, nor a one time occurrence.