...what's the stall for?
Here:
Culpable (UB)
Instant
Name a non-land card. Reveal the top 7 cards of target player's library. Remove all copies of the named card from the game, and shuffle the rest back into owner's library.
Impediment (1UB)
Sorcery
Look at target player’s hand and choose a card there.
Put that card on top of that player’s library.
That player skips his or her next draw step.
Overrule (1UB)
Instant
Counter target spell unless that spell’s caster searches his or her library for all copies of that spell and removes them from the game. If that player does, shuffle that player’s library.
Spiritual Archive (1WU)
Enchantment
Sacrifice Spiritual Archive: Tap all lands you control. For each Plains tapped this way, gain 2 life.
For each Island tapped this way, tap target artifact, creature or land.
Engulf (1WU)
Instant
Counter target spell unless its caster sacrifices a permanent.
Euphoria Charmer (3WU)(2/2)
Creature – Charmer
Whenever you draw a card, gain an amount of life equal to that card’s total mana cost.
Divinity (1WU)
Instant
Return target permanent back to owner’s hand.
Gain an amount of life equal to that permanent’s total mana cost.
Freewill (4WU)
Instant
Tap all artifacts, creatures, and lands target player controls.
Gain 1 life for each permanent tapped this way.
Heaven's Earth (1GW)
Instant
Until end of the turn, you and permanents you control can't be the target of spells or abilities controlled by an opponent.
Endeavor (1GW)
Instant
Choose target creature, and remove all other creatures from the game.
At the end of the turn, return all those creatures back into play under owner’s control.
Ancient Mastodon (3GW)(3/3)
Creature – Mastodon
0: Remove Ancient Mastodon from the game and return it back into play under owner’s control.
This ability may be used no more than once each turn.
Blood Trader (BR)(1/1)
Creature – Trader
0: Blood Trader deals 1 damage to target creature. That creature’s controller gains 1 life.
This ability may be used no more than once each turn.
Tribal Mastodon (2RG)(3/3)
Creature – Mastodon
0: Tribal Mastodon gains Trample or First Strike until end of the turn.
This ability may be used no more than once each turn.