Each opponent can't draw more than one card each turn. [–2]: Look at the top four cards of your library. You may reveal a noncreature, nonland card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.
Whenever you tap a Forest for mana, add an additional {G}. [+1]: Put three +1/+1 counters on up to one target noncreature land you control. Untap it. It becomes a 0/0 Elemental creature with vigilance and haste that's still a land. [–8]: You get an emblem with "Lands you control have indestructible." Search your library for any number of Forest cards, put them onto the battlefield tapped, then shuffle.
[+1]: Look at the top five cards of your library. You may reveal an artifact card from among them and put it into your hand. Put the rest on the bottom of your library in any order. [–1]: Target artifact becomes an artifact creature with base power and toughness 5/5. [–4]: Target player loses X life and you gain X life, where X is twice the number of artifacts you control.
First strike When this creature enters, if an opponent controls more lands than you, you may search your library for a Plains card, put it onto the battlefield, then shuffle.
When this creature dies, reveal the top card of your library. You may put that card onto the battlefield if it's a permanent card with mana value 3 or less. Otherwise, put that card into your hand.
Its powers are simple—mind over matter. Or rather, an immeasurable mind disassembling and reconfiguring matter.
Partner with Pir, Imaginative Rascal Whenever you draw a card, put a +1/+1 counter on Toothy. When Toothy leaves the battlefield, draw a card for each +1/+1 counter on it.
Partner with Toothy, Imaginary Friend If one or more counters would be put on a permanent your team controls, that many plus one of each of those kinds of counters are put on that permanent instead.
Deathtouch At the beginning of your upkeep, sacrifice The Gitrog Monster unless you sacrifice a land. You may play an additional land on each of your turns. Whenever one or more land cards are put into your graveyard from anywhere, draw a card.
[+1]: Add {R}{R}{R}. Spend this mana only to cast instant or sorcery spells. [+1]: Discard up to three cards, then draw that many cards. [–8]: You get an emblem with "You may cast instant and sorcery spells from your graveyard. If a spell cast this way would be put into your graveyard, exile it instead."