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In addition to that attack trigger it has Backup, empowering your board even further

Two of my favorite on this card are may which gives you an option not to discard, and permanent which also gives you lots of options for things to untap

Tibalts Trickery 10 days: Modern 4

But there are a few other cards out there that don't have the "changeling" keyword but whose effect also creates creatures with all creature types: Mutavault, Volatile Claws, Amorphous Axe, Mistform Ultimus, and Runed Stalactite

For those looking for a more intense experience, though, the ranked online play is where it's at

They have burned the bridge and then vaporized the charred timber for good measure