Mana Short

Tap all lands target player controls and that player loses all unspent mana.

Exhaustion

Creatures and lands target opponent controls don't untap during their next untap step.

Drain Power

Target player activates a mana ability of each land they control. Then that player loses all unspent mana and you add the mana lost this way.

Teferi, Time Raveler

Each opponent can cast spells only any time they could cast a sorcery.
+1: Until your next turn, you may cast sorcery spells as though they had flash.
−3: Return up to one target artifact, creature, or enchantment to its owner's hand. Draw a card.

Mana Vapors

Lands target player controls don't untap during their next untap step.

Flicker

Exile target nontoken permanent, then return it to the battlefield under its owner's control.