Newcomers may find it helpful to start by modeling decks in the style of official theme decks, using Build & Battle boxes or finding card lists for pre-built decks online
Greenwheel Liberator : Creature (Elf Warrior), casting cost of one generic and one green mana, 2/1
If an ability of an artifact, creature, or planeswalker is countered this way, that permanent loses all abilities for as long as Tishana's Tidebinder remains on the battlefield
These two abilities actually work really well together, as the mana ability will give you the necessary resources to play the three cards you just exiled off the top of your library
It does have the power to swing a game, especially against a green deck, but since we play a format where cards like [card]Balance[/card] are legal, we expect games to be swung by powerful cards