5 card-army

Change the text of target spell or permanent by replacing all instances of one creature type with another. The new creature type can't be Wall. (This effect lasts indefinitely.)

All Forests and all Saprolings are 1/1 green Saproling creatures and Forest lands in addition to their other types. (They're affected by summoning sickness.)

All creatures have haste.

: Create a 1/1 green Insect creature token.

Activated abilities of creatures you control cost less to activate. This effect can't reduce the mana in that cost to less than one mana.