Phyrexia's Core

G: Regenerate another target Elf. 2GGG: Elf creatures you control get +3/+3 and gain trample until end of turn.

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.

When this creature enters, if you control another Elf, create a 1/1 green Elf Warrior creature token.

T: Add GGG. Forestcycling 2 (2, Discard this card: Search your library for a Forest card, reveal it, put it into your hand, then shuffle.)

Other Elf creatures you control get +1/+1. T: Add G for each Elf you control.

T: Until end of turn, target Forest becomes an X/X Treefolk creature in addition to its other types, where X is the number of Elves you control.

T: Add G.

Whenever another Elf enters, put a +1/+1 counter on this creature.