Bouncing all nonlands for seven on your turn is basically just a worse Cyclonic Rift, but the ability to end an opponents turn if you pay the extra three is really something
Recently, however, 30th Anniversary Edition pushed the boundaries of what Wizards could get away with
Legendary Creature - Human Warlock Felisa, Fang of Silverquill Flying Mentor (Whenever this creature attacks, put a +1/+1 counter on target attacking creature with lesser power.) Whenever a nontoken creature you control dies, if it had counters on it, create X tapped 2/1 white and black Inkling creature tokens with flying, where X is the number of counters it had on it
If so, it might be a good idea to cast a boardwipe

Abduction Abominable Treefolk Acrobatic Leap Act of Aggression Act of Heroism Act of Treason Adverse Conditions Ahn-Crop Champion Ahn-Crop Crasher Aim High Airtight Alibi Ajani Vengeant Akroan Conscriptor Alarum Alirios, Enraptured All-Out Assault Alpha Guard Altar Golem Amber Prison Ambling Stormshell Amped Up An-Zerrin Ruins Anep, Vizier of Hazoret Angel of Condemnation Angrath, the Flame-Chained Anzrag, the Quake-Mole Apathy Apes of Rath Aphetto Alchemist Arachnoid Adaptation Arbalest Elite Archipelagore Arena of Glory Artful Looter Ashnod's Battle Gear Assault Suit Assquatch Augusta, Dean of Order Aura of Dominion Avatar Kyoshi, Earthbender Avizoa Awaken the Sleeper Axgard Braggart Ballynock Trapper Baloth Prime Barl's Cage Barrenton Medic Basil, Cabaretti Loudmouth Basri, Tomorrow's Champion Battered Golem Battle Cry Battlefield Scavenger Bazaar Krovod Beacon Hawk Bear Umbra Beledros Witherbloom Belion, the Parched Benefactor's Draught Benthicore Berg Strider Besmirch Betor, Kin to All Bewitching Leechcraft Bind the Monster Biosynthic Burst Bitter Chill Bitterblade Warrior Black Carriage Blasting Station Blessed Alliance Blind with Anger Blistercoil Weird

Youll fill your deck with high-toughness creature cards like 0/7 walls or something like the 0/17 Charix, the Raging Isle