When you set this scheme in motion, until your next turn, whenever a player taps a land for mana, that player adds one mana of any type that land produced.
"What would you say is my greatest attribute? Is it my gluttonous lust for power?"
When you set this scheme in motion, look at the top six cards of your library. You may put a creature card from among them onto the battlefield. Put the rest on the bottom of your library in any order.
When Acererak the Archlich enters the battlefield, if you haven't completed Tomb of Annihilation, return Acererak the Archlich to its owner's hand and venture into the dungeon. Whenever Acererak the Archlich attacks, create a number of 2/2 black Zombie creature tokens equal to the number of opponents you have.
{2}, {T}: Choose target opponent. Conjure a duplicate of the top card of their library into your hand. It perpetually gains "You may spend mana as though it were mana of any color to cast this spell." Then they exile the top card of their library face down.
Whenever a white creature dies, return it to the battlefield under its owner's control at the beginning of the next end step. Whenever a nonwhite creature dies, return it to its owner's hand at the beginning of the next end step. Whenever chaos ensues, creatures can't attack you until a player planeswalks.
Whenever a creature enters the battlefield under your control, it gains two abilities chosen at random from flying, first strike, trample, haste, protection from black, protection from red, and vigilance.
Whenever you attack, up to one target attacking creature can't be blocked this turn. At the beginning of the next end step, return that creature to its owner's hand. If you do, each opponent loses 2 life.
Whenever you attack, up to one target attacking creature can't be blocked this turn. At the beginning of the next end step, return that creature to its owner's hand. If you do, create a 1/1 white Soldier creature token.
Whenever you attack, up to one target attacking creature can't be blocked this turn. At the beginning of the next end step, return that creature to its owner's hand. If you do, it perpetually gets +1/+1.
Whenever you attack, up to one target attacking creature can't be blocked this turn. At the beginning of the next end step, return that creature to its owner's hand. If you do, create a Treasure token.
Whenever you attack, up to one target attacking creature can't be blocked this turn. At the beginning of the next end step, return that creature to its owner's hand. If you do, a creature of your choice an opponent controls perpetually gets -1/-0.
Specialize {2} Whenever you attack, up to one target attacking creature can't be blocked this turn. At the beginning of the next end step, return that creature to its owner's hand.
Take an extra turn after this one. If this spell was foretold, create two 1/1 blue Bird creature tokens with flying. Exile Alrund's Epiphany. Foretell {5}{U}{U}
Alrund gets +1/+1 for each card in your hand and each foretold card you own in exile. At the beginning of your end step, choose a card type, then reveal the top three cards of your library. Put all cards of the chosen type revealed this way into your hand and the rest on the bottom of your library in any order.
Haste Whenever Ambergris, Agent of Balance attacks, you may discard your hand and draw two cards. When you do, put X +1/+1 counters on another target creature you control, where X is the number of cards you've discarded this turn.
Haste Whenever Ambergris, Agent of Destruction attacks, you may discard your hand and draw two cards. If you do, Ambergris deals X damage to each opponent, where X is the number of cards you've discarded this turn.
Haste Whenever Ambergris, Agent of Law attacks, you may discard your hand and draw two cards. If you do, other creatures you control get +X/+X until end of turn, where X is the number of cards you've discarded this turn.
Haste Whenever Ambergris, Agent of Tyranny attacks, you may discard your hand and draw two cards. When you do, target creature an opponent controls gets -X/-X until end of turn, where X is the number of cards you've discarded this turn.