Blightsteel ColossusHow it works & interactions with other cards

A Trinity of Keywords

Blightsteel Colossus features three potent abilities: Trample, Infect, and Indestructible. Because it has Infect, it deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters. When paired with its 11 power and Trample, any amount of damage exceeding the blockers' toughness will result in poison counters, and a player with ten or more poison counters loses the game immediately as a state-based action.

The Infinite Shuffle

Unlike many creatures, Blightsteel Colossus features a replacement effect that prevents it from ever hitting the graveyard. If it would be put into a graveyard from anywhere—whether from the battlefield, your hand, or your library—you reveal it and shuffle it back into your library instead. This is not a triggered ability; it happens immediately, meaning the card never spends time in the graveyard for opponents to target with exile spells.

Common Misconceptions

A common mistake is thinking you can use 'reanimate' spells to bring Blightsteel Colossus back. Because its ability says 'instead,' it never enters the graveyard, so there is no window of priority where you can target it with a spell like Reanimate. Additionally, players often forget that damage from Infect is still damage. It can be prevented or redirected, and if the Colossus gained Lifelink, its controller would still gain life from the damage dealt.

Strategic Timing

Due to its massive mana cost of 12, this card is rarely cast fairly. It is best utilized in decks that can cheat it onto the battlefield through effects that put creatures directly into play from the library or hand. Once it lands, its Indestructible status makes it immune to 'Destroy' effects and lethal damage, forcing opponents to use exile-based removal or effects that reduce its toughness to zero.

Interaction examples

Infect and Damage Resolution

Blightsteel ColossusPoison Counter

If Blightsteel Colossus attacks and is not blocked, it deals 11 damage to the opponent. Because it has Infect, the opponent receives 11 Poison Counters instead of losing life. Since having ten or more Poison Counters causes a player to lose the game, that player loses immediately.

Replacement Effects vs. Triggers

Blightsteel ColossusUlamog, the Infinite Gyre

If both cards are milled into the graveyard, their abilities work differently. Ulamog has a triggered ability that uses the stack, meaning it hits the graveyard first, and players can respond (e.g., by exiling it). Blightsteel Colossus has a replacement effect; it is revealed and shuffled back instantly without ever touching the graveyard.

The Annihilator Interaction

Blightsteel ColossusIt That Betrays

If an opponent is forced to sacrifice Blightsteel Colossus due to the Annihilator ability on It That Betrays, the Colossus's replacement effect kicks in. Instead of going to the graveyard, it shuffles into the library. Because it never reached the graveyard, the 'Whenever an opponent sacrifices a nontoken permanent' ability of It That Betrays cannot find the card to return it to the battlefield.