Yawgmoth's Testament

Requirement — Your starting deck contains only instant, sorcery, and land cards. Starting hand size +1 Starting life total -5 If an instant or sorcery spell you cast would cause you to draw one or more cards, draw an additional card. If an instant or sorcery spell you cast would deal damage to a permanent or player, it deals 1 additional damage to that permanent or player.

All Slivers have banding. (Any creatures with banding, and up to one without, can attack in a band. Bands are blocked as a group. If any creatures with banding you control are blocking or being blocked by a creature, you divide that creature's combat damage, not its controller, among any of the creatures it's being blocked by or is blocking.)

Baneslayer Aspirant gets +3/+3 and has flying, first strike, and lifelink as long as you have one or more emblems.

You are a Flagbearer. While choosing targets as part of casting a spell or activating an ability, your opponents must choose at least one Flagbearer if able.

Five Kids in a Trenchcoat counts as five creatures for spells and effects that count the number of creatures you control.

3, T: Until end of turn, you may play one basic Plains card from outside the game.

Create three 0/0 white Spirit creature tokens with flying.

Cards in the winning deck(s) of the latest Mythic Championship cost 1 more to cast.