Modern Masters — Common
Instant
Erratic Mutation legal formats:
Standard: Not legal
Future: Not legal
Historic: Not legal
Timeless: Not legal
Gladiator: Not legal
Pioneer: Not legal
Explorer: Not legal
Modern: Legal
Legacy: Legal
Pauper: Legal
Vintage: Legal
Penny: Legal
Commander: Legal
Oathbreaker: Legal
Standardbrawl: Not legal
Brawl: Not legal
Alchemy: Not legal
Pauper Commander: Legal
Duel: Legal
Old School: Not legal
Premodern: Not legal
PreDH: Legal
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Creature — Goblin (0/5)
: Reveal cards from the top of your library until you reveal a nonland card. Goblin Machinist gets +X/+0 until end of turn, where X is that card's mana value. Put the revealed cards on the bottom of your library in any order.
Sorcery
Choose any target. Reveal cards from the top of your library until you reveal a nonland card. Erratic Explosion deals damage equal to that card's mana value to that permanent or player. Put the revealed cards on the bottom of your library in any order.
Sorcery
Choose any number of target players or planeswalkers. For each of them, reveal cards from the top of your library until you reveal a nonland card, Kaboom! deals damage equal to that card's mana value to that player or planeswalker, then you put the revealed cards on the bottom of your library in any order.
Sorcery
Choose any target. Reveal cards from the top of your library until you reveal a nonland card. Explosive Revelation deals damage equal to that card's mana value to that permanent or player. Put the nonland card into your hand and the rest on the bottom of your library in any order.
Instant
Reveal cards from the top of your library until you reveal a nonland card. Put the revealed cards on the bottom of your library in a random order. When you reveal a nonland card this way, Calibrated Blast deals damage equal to that card's mana value to any target.
Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)
Legendary Creature — Human Elf Shaman (2/7)
Whenever you cast a spell, you may put it on the bottom of its owner's library. If you do, reveal cards from the top of your library until you reveal a nonland card. You may cast that card without paying its mana cost. Then put all revealed cards not cast this way on the bottom of your library in a random order. This ability triggers only once each turn.
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