Along similar lines, the card is definitely worse in sideboarded games where most decks are more likely to draw that key piece of interaction, and the more copies of Unsubstantiate you play, the harder it is to sideboard them out when you decide theyre bad against your opponents post-sideboard configuration
Multani, Yavimayas Avatar is another Elemental that not only gets huge, but also allows you to return lands back to your hand, and can be recast as a result
Molten Gatekeeper - a three-mana 2/3 that has a static ability that states whenever another creature enters under the player's control, they deal one damage to each opponent
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The Black common Derelict Attic // Widow's Walk costs three to draw two and lose two life, and then also you can give a solo attacker a power boost and deathtouch
Vanquish the Horde Whats this eight-mana board wipe doing so high on this list