Card Codex

Thought-String Analyst

Scryfall

UB · Creature — Human Wizard

At the beginning of your upkeep, exile the top card of target opponent's library face down. You lose life equal to its mana value. You may look at and play that card for as long as it remains exiled, and mana of any type can be spent to cast that spell. 2/2

Similar cards

Name	Mana	Type	Text
Urborg Syphon-Mage	2B	Creature — Human Spellshaper	{2}{B}, {T}, Discard a card: Each other player loses 2 life. You gain life equal to the life lost this way. 2/2
Biophagus	1G	Creature — Human Tyranid Wizard	Genomic Enhancement — {T}: Add one mana of any color. If this mana is spent to cast a creature spell, that creature enters the battlefield with an additional +1/+1 counter on it. 1/3
Step Between Worlds	3UU	Sorcery	Each player may shuffle their hand and graveyard into their library. Each player who does draws seven cards. Exile Step Between Worlds. Plot {4}{U}{U} (You may pay {4}{U}{U} and exile this card from your hand. Cast it as a sorcery on a later turn without paying its mana cost. Plot only as a sorcery.)
Final Judgment	4WW	Sorcery	Exile all creatures.
Induce Paranoia	2UU	Instant	Counter target spell. If {B} was spent to cast this spell, that spell's controller mills X cards, where X is the spell's mana value.
Celestial Dawn	1WW	Enchantment	Lands you control are Plains. Nonland permanents you control are white. The same is true for spells you control and nonland cards you own that aren't on the battlefield. You may spend white mana as though it were mana of any color. You may spend other mana only as though it were colorless mana.
Dawnglow Infusion	XG/W	Sorcery	You gain X life if {G} was spent to cast this spell and X life if {W} was spent to cast this spell. (Do both if {G}{W} was spent.)
Electrodominance	XRR	Instant	Electrodominance deals X damage to any target. You may cast a spell with mana value X or less from your hand without paying its mana cost.
Near-Death Experience	2WWW	Enchantment	At the beginning of your upkeep, if you have exactly 1 life, you win the game.
Submerge	4U	Instant	If an opponent controls a Forest and you control an Island, you may cast this spell without paying its mana cost. Put target creature on top of its owner's library.