{T}: Add one mana of any color.
Whenever Chains of Broken Oaths becomes spellcharged, untap it.
Spellcharge 7

Scry 3, then draw three cards.
If this spell's flashback cost was paid, take an extra turn after this one.
Flashback {7}{U}{U}

{T}, Sacrifice Evolving Wilds: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Flash
When Grasping Ancient enters the battlefield, exile up to one target instant or sorcery spell.
Whenever Grasping Ancient attacks, you may cast the exiled card without paying its mana cost.
Spellcharge 4

Whenever a land enters the battlefield under your control, scry 1. If that land is a Ruin, scry 2 instead.

When Shaman of Rime's Fury enters the battlefield, create a 0/0 colorless Spirit creature token. Put a number of +1/+1 counters on that token equal to the total number of instant and/or sorcery cards you own in exile and in your graveyard.

Flash
Whenever you cast Siflir, Elder Pawn or another spell, if you paid an alternate or additional cost to cast it, draw a card.
Wander {3}{U}{U}

Flash
Whenever you cast a spell during an opponent's turn, tap up to one target artifact or creature.

Target creature can't be blocked this turn. If this spell's flashback cost was paid, put a +1/+1 counter on that creature.
Flashback {1}{U}