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'At the beginning of your upkeep, flip a coin. If you lose the flip, this artifact deals 3 damage to you.
{T}: Add {C}{C}.
'This artifact doesn't untap during your untap step. At the beginning of your upkeep, you may pay {4}. If you do, untap this artifact. At the beginning of your draw...
'Whenever a player taps a land for mana, this enchantment deals 1 damage to that player.
{T}, Pay 1 life: Add one mana of any color.
'At the beginning of your upkeep, flip a coin. If you lose the flip, this artifact deals 3 damage to you.
{T}: Add {C}{C}.
'At the beginning of each player's end step, Mana Max deals damage to that player equal to the number of untapped lands they control. Whenever a player loses one or...
'Tap all lands target player controls and that player loses all unspent mana.
'Whenever you cast a multicolored spell, create a tapped Powerstone token. (It's an artifact with "{T}: Add {C}. This mana can't be spent to cast a nonartifact spell.") {X}{X}{X}, {T}:...
'When Adéwalé enters, reveal the top six cards of your library. Put an Assassin, Pirate, or Vehicle card from among them into your hand and the rest on the bottom...
'When Mana Conference enters the battlefield, each player secretly chooses a basic land type, then those choices are revealed. Mana Conference gains each basic land type that received at least...
'Tap all lands target player controls and that player loses all unspent mana.
'Return target nonland permanent to its owner's hand. Then that permanent's controller may sacrifice a land of their choice. If the player does, they may copy this spell and may...