These are generally soldier-specific, so although you likely want to run an Akroma's Will, I don't list generically awesome cards like that here
The vigilance is excellent as well since not only does it hang back as a huge blocker, it also opens up little tricks like being able to tap it and sacrifice an artifact after it is declared as attacking in response to its own trigger to give you the necessary energy
Rules 06/22/15 If more than one replacement effect tries to apply to a life gain event, the player who would gain life chooses the order in which they apply
The combination of abilities is very solid since they have removal, token making, and creature buffing in the arsenal, allowing you to stabilize a board and win from there
Laughter, friendly competition, and unforgettable memories make those
You have a 3/3 that you can give indestructible by tapping a mere 1/1, and by paying 5, your creatures get at least +3/+3 until the end of turn, but with elf typal buffs itll be much more