Blank Card

**Blank Card** is an unlockable activated item.

## Effects

* Mimics the effect of Isaac's held card or rune.
	+ Does not consume Isaac's current held item.
	+ Will not mimic pills.

## Synergies

* Template:I - Essentially uses the card or rune twice (similar to Template:I). If used with the Two of Hearts/Diamonds/etc. cards it will quadruple however much you have, and if used with a Jera Rune it will quadruple the number of pickups in the room.
	+ Car Battery + Template:I - The card is used 4 times at once.
* Template:I / Template:I / Template:I - Allows Isaac to choose between 2 different effects to copy.
* Template:I - The card is used two times at once.
* Allows to create a variety of useful effects by copying cards and runes:
	+ Template:I / Template:I / Template:I / Template:I / Template:I / Template:I - Grants reusable teleportation to specified rooms.
	+ Template:I - Grants a reusable homing tears effect.
		- Provides a reliable method to unlock Template:I.
	+ Template:I / Template:I / Template:I / Template:I - Grants Isaac a reusable source of increased stats.
		- Multiple uses of III - The Empress in the same room will stack the damage increase.
	+ Template:I / Template:I - Provides a reusable source of soul hearts.
	+ Template:I / Template:I / Template:I - Provides a reusable source of red hearts.
		- VI - The Lovers / 2 of Hearts + Template:I - Allows Isaac to use Blood Donation Machines very easily, using the Blank Card to get hearts back very quickly due to Habit's charge.
	+ Template:I - Provides a reusable source of all pickups.
	+ Template:I - Grants Isaac a reusable full health effect, Template:I effect, and a full map reveal. Can also be combined with Template:I or Template:I for both infinite health and infinite The Necronomicon effect.
	+ Template:I - Grants Isaac a reusable map reveal, except for the super secret room.
	+ Template:I/ Template:I - Provide a reusable source of coins.
		- 2 of Diamonds + Template:I or in Greed Mode, coins can be infinitely generated by buying little batteries. As batteries only cost 5 cents, as long as Isaac starts with at least 11 cents, the maximum of 99 cents can be quickly reached.
	+ Template:I / Template:I - Provides a reusable resource of keys.
	+ Template:I / Template:I - Provides a reusable resource of bombs.
	+ Template:I - Teleports you to the I AM ERROR room. This will consume both the Blank Card and the ? Card.
		- An exception is when they are used on The Chest, Dark Room or Ultra Greed floors. Using them here consumes both the Blank Card and the ? Card and spawns an I AM ERROR Shopkeeper.
	+ Template:I - Allows rooms to be repeatedly filled with Poop.
		- A Card Against Humanity + Template:I - Destroying all the poop will spawn a large number of blue flies.
		- A Card Against Humanity + Template:I - The poop has a high chance to spawn pickups.
	+ Template:I - Grants Isaac a reusable source of three random cards.
	+ Template:I - Allows the player to instantly kill any monster every usage, including late-game bosses.
	+ Template:I - Allows the player to take shop, devil room and black market items for free across multiple floors.
	+ Template:I - Grants Isaac a reusable Template:I effect.
	+ Template:I / Template:I - Grants Isaac reusable protection. Especially useful for The Lost due to his lacking of health.
	+ Template:I - Allows Isaac to consume his extra lives instantly for extra pickups.
	+ Template:I - Grants Isaac a reusable source of three blue flies and three blue spiders.
	+ Template:I - Allows Isaac to copy pickups with every use. This combination can double little batteries, which can allow for gamebreaking combos, due to repeated use of the synergy.
	+ Template:I / Template:I - Provides a reusable resource of rerolling.
		- Dice Shard + Template:I + Template:I - Glitter Bombs make pickups, Sack Head turns pickups into sacks, sacks have a chance of containing batteries but contain more pickups, and unused pickups can be re-rolled into more sacks.
	+ Template:I - Provides a reusable random rune effect, with a 25% chance to spawn another Blank Rune.
	+ Template:I - Allows Isaac to consume unwanted pickups and items frequently, gaining a lot of free stat upgrades and blue spiders/flies.

## Interactions

* Template:I - Renders the Blank Card useless since all cards and runes are transformed into pills, unless the player also has Template:I.

## Unlockable Achievements

* Blinding Baby  Blinding Baby - Use **Blank Card** while holding XIX - The Sun.

## Gallery

* 3DS Detailed Blank Card.png

 3DS  The icon of Blank Card as seen on the lower 3DS screen.

## Seeds

 PC  Hard mode only K9B6 DYHA (Treasure room adjacent to spawn)

 PC  Normal mode only 3C6Z 880R (Within shop)

 PC  Hard mode only E8XS 8371 (Within shop, rune of *Jera* inside Curse Room, all in First Floor)

 PS4  GRCJ PCSP (Treasure room adjacent to the spawn)

 Vita  9B2E 2XBZ (Treasure room adjacent to spawn)

fr:Blank Card