Mana Vault [Fifth Edition] Battle Academy Set: Champions of Kamigawa Type:

Set: Champions of Kamigawa Type: Legendary Artifact — Equipment Rarity: Rare Cost: {3} Equipped creature gets +3/+1

It's deciding whether to stomp you or gore you

Set: Morningtide Type: Enchantment Rarity: Rare Cost: {1}{G} Whenever a creature enters the battlefield under your control

and lead a different team of Pokémon into the arena

then shuffle your library

Mana Vault [Fifth Edition] Battle Academy Set: Champions of Kamigawa Type:Set: Fifth Edition Type: Artifact Rarity: Rare Cost: {1} Mana Vault doesn't untap during your untap step. At the beginning of your upkeep, you may pay {4}. If you do, untap Mana Vault. At the beginning of your draw step, if Mana Vault is tapped, it deals 1 damage to you. {T}: Add {C}{C}{C}.