Blech wants a deck that gains life over and over and gets rewarded for it. It also suits a deck that keeps making its creatures bigger turn after turn.
Mana cost
Black, Green ()
Power / toughness3 / 4
RarityRare
Whenever you gain life, put a +1/+1 counter on each Pest, Bat, Insect, Snake, and Spider you control.
Picked for what they do in Blech's deck. When two cards do the same job, the one with the lower comes first. All of them fit Blech's color identity.Mana ValueThe total amount of mana a card costs, all added up. A card costing two generic and one green has a mana value of three. Wizards renamed this from "converted mana cost" in 2021, so older cards and articles may still use the old name.Open the full glossary
explain how Blech works in tricky situations. They come from Wizards of the Coast, the company that makes Magic.RulingThe official answer to how a card works in a tricky situation. Most rulings are written by Wizards of the Coast, the company that makes Magic, and a few are notes from Scryfall, the card database Magic players use. A ruling explains a card. It does not change what the card says.Open the full glossary
Wizards of the Coast20 Mar 2026
A creature with more than one of the listed types will still get only one +1/+1 counter when Blech's ability resolves.
Color identityEvery color of mana symbol on a card, in its cost and in its rules text. Your commander's color identity sets the limit for your whole deck: every other card has to fit inside it. A deck led by a green and white commander cannot play a card with any blue in its color identity.Open the full glossaryBGPlayers write colors as letters: B for black, G for green.LifegainLifegain decks gain life over and over and use cards that reward each gain with extra cards, creatures or damage to opponents. Everyone starts at 40 life in Commander, so the extra life also keeps you safe while you set up.Open the Lifegain pageLifegain PayoffTurns life gain into an actual effect: draining opponents, drawing cards, or growing creatures each time you gain life. Without one of these, gaining life mostly just delays things. Vito, Thorn of the Dusk Rose, Sanguine BondOpen the Lifegain Payoff page+1/+1 Counters+1/+1 counter decks put small markers on their creatures that make each one permanently bigger, and keep adding more every turn. Each +1/+1 counter adds one to a creature's power (the damage it deals) and toughness (the damage it can take).Open the +1/+1 Counters pageCounter EngineAdds +1/+1 counters over and over rather than once. A counter here is a small permanent marker that raises a creature's power and toughness for good. It is not a counterspell, which is a different thing entirely. Something that adds them every turn makes your whole board bigger and keeps it that way. Hardened Scales, Corpsejack MenaceOpen the Counter Engine page+1/+1 CountersPuts +1/+1 counters on creatures, permanently raising their power and toughness. Unlike a temporary boost that wears off at end of turn, these markers stay put and stack up over a long game. Hardened Scales, The Great HengeOpen the +1/+1 Counters page
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