Sen Triplets [Mystery Booster] Plane I saw its face contort

I saw its face contort in rage but could not hear it snarl

create two 2/2 white and blue Knight creature tokens with vigilance

shuffle target nonland permanent an opponent controls with mana value X or less into its owner's library

Whenever you draw a card

Set: 30th Anniversary Edition Type: Artifact Rarity: Rare Cost: {1} Mana Vault doesn't untap during your untap step

Sen Triplets [Mystery Booster] Plane I saw its face contortSet: Mystery Booster Type: Legendary Artifact Creature Human Wizard Rarity: Mythic Cost: {2}{W}{U}{B} At the beginning of your upkeep, choose target opponent. This turn, that player can't cast spells or activate abilities and plays with their hand revealed. You may play lands and cast spells from that player's hand this turn. They are the masters of your mind.