Deadly Rollick [Commander 2020] Educational the player can activate mana

the player can activate mana abilities only if they're from lands that player controls and only if mana they produce is spent to activate other mana abilities of lands the player controls and/or to play that card

Set: Happy Holidays Type: Instant Rarity: Rare Cost: {3}{U} Search target opponent's library for four cards with different names and reveal them

where X is the number of cards in their hand minus 4

Set: Mirrodin Type: Artifact Rarity: Rare Cost: {2} Whenever a permanent becomes untapped

Deadly Rollick [Commander 2020] Educational the player can activate manaSet: Commander 2020 Type: Instant Rarity: Rare Cost: {3}{B} If you control a commander, you may cast this spell without paying its mana cost. Exile target creature. Otrimi was disappointed at how quickly its new friend got tired and stopped playing.