Riftbound Spell: Iterative Design. Play a 3 [S] Mech unit token. [Flow] [2][C] (You may play this from your trash for its Flow cost. Then banish it.)
Riftbound Unit: Ivern, Nurturer. When you play me or when I hold, look at the top 3 cards of your Main Deck. You may reveal a unit from among them and draw it. Recycle the rest. Then if you revealed a Bird, Cat, Dog, or Poro, do this: [Buff] a friendly unit. (Give it a +1 [S] buff if it doesn't have one.)
Riftbound Gear: Guardian Angel. [Equip] [C] ([C]: Attach this to a unit you control.)
Riftbound Unit: Solari Shieldbearer. When you play me, stun a unit. (It doesn't deal combat damage this turn.)