Helm of the Host

(You may cast a legendary sorcery only if you control a legendary creature or planeswalker.) Target player takes an extra turn after this one. Return up to one target nonland permanent to its owner's hand. Exile Karn's Temporal Sundering.

Red instant and sorcery spells you control have lifelink. Whenever a white instant or sorcery spell causes you to gain life, Firesong and Sunspeaker deals 3 damage to target creature or player.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.) I — Return target instant card from your graveyard to your hand. II — Return target sorcery card from your graveyard to your hand. III — Until end of turn, whenever you cast an instant or sorcery spell, copy it. You may choose new targets for the copy.

Hexproof You can't lose the game. Whenever you gain life, draw that many cards. Whenever you lose life, for each 1 life you lost, exile a permanent you control or a card from your hand or graveyard. When Lich's Mastery leaves the battlefield, you lose the game.

(You may cast a legendary sorcery only if you control a legendary creature or planeswalker.) Exile all nonland permanents that aren't legendary.

Flying This creature gets +1/+0 for each basic Island you control.

When this enchantment enters, choose four nonenchantment permanents you don't control and put an aim counter on each of them. At the beginning of your end step, if two or more permanents you don't control have an aim counter on them, destroy one of those permanents at random.

Trample Traxos enters tapped and doesn't untap during your untap step. Whenever you cast a historic spell, untap Traxos. (Artifacts, legendaries, and Sagas are historic.)