"elephant creature token" (12)
Assault deals 2 damage to any target.
Create a 3/3 green Elephant creature token.
Create a 1/1 green Snake creature token, a 2/2 green Wolf creature token, and a 3/3 green Elephant creature token.
Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)
Enchant creature
Enchanted creature gets +3/+3.
When enchanted creature dies, create a 3/3 green Elephant creature token.
Each player creates a green Elephant creature token. Those creatures have "This creature's power and toughness are each equal to the number of creature cards in its controller's graveyard."
Destroy target permanent. Its controller creates a 3/3 green Elephant creature token.
Level up (: Put a level counter on this. Level up only as a sorcery.)
LEVEL 2-5
1/1
: Create a 3/3 green Elephant creature token.
LEVEL 6+
: Create two 3/3 green Elephant creature tokens.
Parley — Each player reveals the top card of their library. For each nonland card revealed this way, you create a 3/3 green Elephant creature token. Then each player draws a card.
When Terastodon enters the battlefield, you may destroy up to three target noncreature permanents. For each permanent put into a graveyard this way, its controller creates a 3/3 green Elephant creature token.
Rebound (If you cast this spell from your hand, exile it as it resolves. At the beginning of your next upkeep, you may cast this card from exile without paying its mana cost.)
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