Search your library for a basic land card and put that card onto the battlefield tapped. Then shuffle your library.
Delve (Each card you exile from your graveyard while casting this spell pays for 1.) Target creature gets +6/+6 until end of turn.
Other Human creature you control get +1/+1. At the beginning of each upkeep, if no spells were cast last turn, transform Mayor of Avabruck. // Howlpack Alpha Other Werewolf and Wolf creatures you control get +1/+1. At the beginning of your end step, put a 2/2 green Wolf creature token onto the battlefield. At the beginning of each upkeep, if a player cast two or more spells last turn, transform Howlpack Alpha.
Reach (This creature can block creatures with flying.) Other Elf creatures you control get +1/+1. Whenever Dwynen attacks, you gain 1 life for each attacking Elf you control.
Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for 1 or more mana of that creature's color.) Indestructible
Enchant creature When Colossification enters the battlefield, tap enchanted creature. Enchanted creature gets +20/+20.
Level up 1G (1G: Put a level counter on this. Level up only as a sorcery.) [Level 2-5] T: Put a 3/3 green Elephant creature token onto the battlefield. [1/1] [Level 6+] T: Put two 3/3 green Elephant creature tokens onto the battlefield. [1/1]
Trample Champion a Treefolk or Warrior (When this comes into play, sacrifice it unless you remove another Treefolk or Warrior you control from the game. When this leaves play, that card returns to play.) Whenever a creature you control becomes blocked, it gets +0/+5 until end of turn.
For each creature your opponents control, create a 4/4 green Phyrexian Beast creature token. Each of those tokens fights a different one of those creatures.
Defender (This creature can't attack.) Whenever Hornet Nest is dealt damage, put that many 1/1 green Insect creature tokens with flying and deathtouch onto the battlefield. (Any amount of damage a creature with deathtouch deals to a creature is enough to destroy it.)
Golgari Grave-Troll enters with a +1/+1 counter on it for each creature card in your graveyard. {1}, Remove a +1/+1 counter from Golgari Grave-Troll: Regenerate Golgari Grave-Troll. Dredge 6 (If you would draw a card, you may mill six cards instead. If you do, return this card from your graveyard to your hand.)
Golgari Grave-Troll enters with a +1/+1 counter on it for each creature card in your graveyard. {1}, Remove a +1/+1 counter from Golgari Grave-Troll: Regenerate Golgari Grave-Troll. Dredge 6 (If you would draw a card, you may mill six cards instead. If you do, return this card from your graveyard to your hand.)
When Cenote Scout enters, it explores. (Reveal the top card of your library. Put that card into your hand if it’s a land. Otherwise, put a +1/+1 counter on this creature, then put the card back or put it into your graveyard.)
This spell can’t be countered. Haste, protection from blue Mistcutter Hydra enters with X +1/+1 counters on it.