There are ways around that, using cards like Squee, Goblin Nabob to discard meaningless cards or using other tricks like Stroke of Genius to draw extra cards that you can use to pay, but most people who played the Masticore played it fairly
1 Thunderbreak Regent
There are ways to fight Thoughtseize
Other printings of Unstable Mutation $226.67 Unstable Mutation Summer Magic / Edgar $2.11 Unstable Mutation Time Spiral Timeshifted $0.25 Unstable Mutation Ultimate Masters $4.99 Unstable Mutation Arabian Nights $0.75 Unstable Mutation Fourth Edition Foreign Black Border $0.26 Unstable Mutation Fifth Edition $0.20 Unstable Mutation Revised Edition $0.19 Unstable Mutation Fourth Edition Most valuable cards in Foreign Black Border View the full price guide $1,700.00 Underground Sea Foreign Black Border $1,350.00 Volcanic Island Foreign Black Border $707.99 Badlands Foreign Black Border $672.53 Tropical Island Foreign Black Border $622.29 Tundra Foreign Black Border $600.00 Scrubland Foreign Black Border $455.00 Bayou Foreign Black Border $440.00 Savannah Foreign Black Border More cards by Douglas Shuler $5,900.00 Northern Paladin Summer Magic / Edgar $4,500.00 Serra Angel Summer Magic / Edgar $1,649.99 Demonic Tutor 30th Anniversary Edition $1,539.92 Demonic Tutor Summer Magic / Edgar $1,488.04 Force of Nature Limited Edition Alpha $1,292.08 Serra Angel Limited Edition Alpha $944.28 Contract from Below Limited Edition Alpha $901.53 Demonic Tutor Limited Edition Alpha SetForeign Black Border Most valuableTop 100 Magic: The Gathering cards You might also like...
Pollywog Prodigy has evolve, so it will get +1/+1 counters when other creatures enter play under my control if they have a greater power or toughness
Only cast this when you know what your opponent is holding or when your permanent is objectively more dangerous than anything they could possibly have
