Timely Reinforcements

When you cast this spell, exile two target permanents. Indestructible Whenever Ulamog attacks, defending player exiles the top twenty cards of their library.

At the beginning of your upkeep, you gain 2 life for each Shrine you control.

Exile target creature you control, then return it to the battlefield under its owner's control. Flashback 3U (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Artifact creatures you control get +2/+2.

You may have this creature enter as a copy of any creature card in a graveyard.

At the beginning of your upkeep, draw a card for each Shrine you control.

Return target creature to its owner's hand. Flashback 4U (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Counter target enchantment, instant, or sorcery spell. Its controller creates a 2/2 blue Bird creature token with flying.